追溯到30年前中美建交之初，当时双边贸易额几乎为零。

Back to 30 years ago when China and the US established diplomatic relations, the bilateral trade volume was almost zero.

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在双边搜索中，被搜索者不希望被搜索到，因此可以将搜索双方的行为看成二人零和博弈问题。

A two-sided search, where the target makes every effort to evade searchers detection, can be regarded as a two-person zero-sum game.

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本文研究双边市场中大型零售商的竞争性策略，大型零售商为双边市场中的平台厂商。

This paper focuses on the competitive strategy of large retailer as a platform provider in two-sided markets.

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