中国入境游市场的规模基数低，发展空间较大：中国入境游虽起步较早，但是在长期发展过程中，其增速逐渐滞后于国内游与出境游，对 GDP 的贡献度亦相对有限。目前，韩、日、俄构成中国的近程核心客源国，美国为远程重要客源国， 德国、澳大利亚等新兴市场有待加强拓展，中国占这些国家出境游市场的份额均有较大的提升空间。近年来，入境游政策放开后，中国入境游人次与收入均呈现快速增长趋势。

The global AI for smart city traffic optimization market encompasses the ecosystem of technologies, software, and services that leverage artificial intelligence to manage and enhance urban mobility. This market involves the deployment of sophisticated AI algorithms, including machine learning and computer vision, to analyze real time data from sources such as IoT sensors, GPS devices, and traffic cameras.

Mechanical, engineering, and plumbing (MEP) services hold critical importance in ensuring that building facilities are operating in an efficient manner with the optimum use of energy. To achieve better results in the project, building owners are increasingly entering into long-term contracts with third-party specialized vendors offering MEP services. Outsourcing MEP services to specialized vendors helps in reducing operating costs, optimizing energy consumption, and improving the productivity of facilities.

Online food delivery refers to a food-away-from-home service comprising the process of ordering food from a particular food outlet, either through its website or a proprietary mobile application or through a third-party food ordering service.

Online dating service refers to a digital platform where people can meet like-minded people to form an intimate relationship, whether casual, social, or long-term (marital).

Marketing consulting is a professional service provided by marketing experts or consulting firms to businesses seeking guidance and assistance with their marketing strategies, campaigns, and overall marketing efforts. Marketing consultants or consulting firms offer specialized knowledge, skills, and experience to help companies improve their marketing performance, reach their target audience more effectively, and achieve their business objectives.

Maintenance, repair, and operations (MRO) refers to the processes, activities, and materials necessary to maintain and support the operational standards of facilities and equipment within an organization.

A leisure boat is typically used for entertainment and tourism. It can be powered by a motor or non-motorized and includes various types, such as sailboats, cabin cruisers, towboats, jet boats, watercraft, and runabouts, among others. These boats are popularly purchased and used for activities such as sailing, boating, fishing, or campaigning. Due to the ability to maintain social distance while enjoying oneself, boating has become a favored leisure activity in many regions and countries, leading to a surge in boat purchases.

Industrial cleaning services refer to professional cleaning solutions specifically tailored for large-scale industrial facilities and manufacturing environments. These services are designed to meet the unique cleaning needs and challenges presented by heavy industries, factories, warehouses, and other industrial settings. Industrial cleaning requires specialized knowledge, equipment, and techniques to effectively address the scale and complexity of these environments.

HVAC equipment is used for heating, cooling, and air conditioning purposes in commercial and residential buildings and industrial facilities. HVAC equipment rental service providers rent out HVAC equipment to end￾users on an hourly, monthly, or yearly basis. End-users compensate the equipment owners based on factors such as the duration and type of HVAC equipment that is rented for a particular application.