Air charter was originally introduced to offer business-class executives an alternative to the high cost and expense of owning an aircraft. Private jet charters offer the same features as private jet ownership without the ongoing cost and expense of owning and maintaining a private aircraft.

本文通过对国内四大连锁酒店业龙头：锦江、华住、首旅、亚朵进行研究和对 比，意在分析中国连锁酒店行业格局并探讨未来的发展趋势。

Commercial aircraft leasing is an agreement that involves lessees (being commercial airlines) who procure aircraft from lessors (aircraft leasing companies, financing firms, or other airlines) by making regular payments for the use of aircraft over an agreed period. The lease may merely involve an aircraft (as in the case of a dry lease) or can include the crew, maintenance, and insurance, in addition to the aircraft (as in the case of a wet lease).

Car sharing service is a model where people rent cars for a short period of time using a mobile application.

Artificial intelligence in asset management refers to the use of advanced technologies such as ML and natural language processing to analyze large sets of financial data, make predictions on trends and market movements, and help asset managers make informed investment decisions. artificial intelligence can help identify potential risks and opportunities that may have been missed through traditional methods, leading to more efficient and profitable portfolio management. Additionally, artificial intelligence can assist in automating certain processes such as portfolio rebalancing and risk management.

通胀顺利回落，但商品通胀有回升风险。2 月 CPI 同比增速回落至 2.8%， 核心 CPI 同比降至 3.1%，为 2021 年 5 月来最低值。从分项来看，能源和核心 服务回落，而商品持平，食品略有回升。一方面，俄乌局势缓和，油价回落， 带动能源项通胀下行。另一方面，核心服务通胀延续回落趋势，主要受益于本 月交通服务价格同比回落，以及房屋项通胀的持续降温。2 月核心商品项通胀 较上月持平，不过，家具物资和服装价格环比增速有所走高，或反映了关税预 期下美国企业的重新定价行为。美国普查局的先行经济指标报告中显示 1 月 美国贸易逆差扩大，指向美国进口商已开始提前应对关税，关税对价格的冲击 或在未来逐渐显现。

Car leasing is a system of possessing a new or used car by paying to use it for a specified time. Vendors offer a range of vehicles that customers can pay monthly to lease for a period as and when required. Leasing is similar to renting a car, but renting basically deals with short-time contracts, and leasing generally accounts for a time period spanning more than a year. The company that offers the car on a lease is called the lessor, and the customer is called the lessee.

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Clinical trials outsourcing involves partnering with a contract research organization (CRO) to manage specific functions or entire clinical trial activities, rather than maintaining them in￾house. This strategic approach enables trial sponsors to reduce costs, accelerate timelines, focus on core competencies, and streamline workflows. Sponsors aim to enhance research efficiency, optimize associated activities, and ultimately increase the success rate of trial outcomes by outsourcing clinical trials.