Margin refers to all kinds of deposits deposited in banks and other financial institutions.

Under the background of the lack of clear legal norms of deposit, it is necessary to discuss the types of deposit, and define the deposit of reserve fund, advance payment, lease, decoration, deposit, deposit with return right and deposit with unparalleled return effect respectively to determine their respective legal effects.

Taobao is a popular online shopping and retail platform in China, with nearly 500 million registered users and more than 60 million regular visitors every day. At the same time, the number of online goods has exceeded 800 million every day, with an average of 48,000 items sold every minute.

With the expansion of Taobao's scale and the increase of users, Taobao has also changed from a single C2C online mall to a comprehensive retail business circle including C2C, group purchase, distribution and auction.

It has become one of the global e-commerce trading platforms.