以身体与智力活动为基本手段，根据人体生长发育、技能形成和机能提高等规律，达到促进全面发育、提高身体素质与全面教育水平、增强体质与提高运动能力、改善生活方式与提高生活质量的一种有意识、有目的、有组织的社会活动。

DSP全称“Demand-Side Platform”，为需求方平台，是为广告主、代理商提供一个综合性癿管理平台，通过统一界面管理多个数字广告和数据交换账户。DSP通过对数据癿整合及分析，实现基二受众癿精准投放，以程序化购买癿方式，接入众多媒体资源，帮劣广告主迚行跨媒介、跨平台、跨终端癿广告投放，幵对广告投放效果迚行实时监测及优化。

旅游B2B 是旅游企业间信息交换与交易的互联网中介平台。近两年欣旅通1.95 亿被腾邦国际收购，旅游圈、八爪鱼、蜘蛛旅游网等旅游B2B 同业平台先后获得亿元人民币以上融资，企业整合消息接踵而至，市场热度不断攀升，而随着八爪鱼近期获高额战略投资的消息发布，旅游B2B“寡头时代”似乎初见端倪。那么在这个“寡头时代”，旅游B2B 市场是否仍旧存有机会呢？答案无疑是肯定的。原因在于，当前制约我国旅游业发展的因素并非需求不足，而是供给侧结构不合理、不平衡，不能适应需求侧多元化、升级型的市场消费。

中国传统文化是中华文明演化而汇集成的一种反映民族特质和风貌的民族文化，是民族历叱上各种思想文化、观念形态的总体表征，是指居住在中国地域内的中华民族及其祖先所创造的、为中华民族世世代代所继承发展、具有鲜明民族特色、历叱悠丽、内涵協大精深、传统优良的文化。

Child care or daycare centers are provided to children aged 0-6. These centers are formal structures that provide preschool education, discipline, and child development services. The child care centers are equipped with special learning and playing facilities for children. These facilities provide games that are appropriate for children of a given age. In these centers, children are engaged with various kinds of activities such as singing and painting. The staff in the child care centers offer individual attention to children to help them in their emotional and physical growth. The majority of the learning and character building in a child is developed during kindergarten and preschool stages. According to the statistics, parents and books are the major influencers for kid. Over 30% of the education is learnt from parents.

Entertainment robots are developed for utilitarian purpose in domestic settings to entertain humans, especially children, elderly, guests, or clients. These robots are equipped with microphones, and can recognize voices and cameras to avoid obstacles and identify faces. They can converse, move, sing, dance, and interact with people. Manufacturers are developing robotic kits that enhance children's knowledge and skills in subjects such as programming, science, and mathematics through design, creation, assembly, and operation of the robots.

DJ consoles include controllers, mixers, turntables, and media/CD players, and are widely used in clubs, social gatherings, and live events. We expect the global DJ consoles market to grow at a CAGR of 2.32% during the forecast period. The rise in number of live events, which generated a revenue of $2.74 billion in 2015, and the increase in number of DJs are factors that contribute to the market growth.