How long in China?

在中国多久了。

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How long has Mr. Smith been in China?

史密斯先生来中国多久了？

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When they are asked why they chose to visit China, they said it was because they often talked about its long history and beauty and how much the country is competitive in the world.

当被问及为什么选择访问中国时，他们说这是因为他们经常谈论起中国的悠久历史和美丽景色，以及中国在世界上具有的竞争力。

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Slowly but surely, the Chinese companies that have been in the U.S. long enough to realize how differently things are done here than in China now want to learn how to play by U.S. rules.

FORBES: Patience Required As Chinese Companies Go Overseas

"We are at a very important and delicate point in our relationship with the People's Republic of China and how this is handled will go a long way as to the future of that relationship, " Sen.

CNN: U.S. says China is intercepting U.S. military planes in 'unsafe manner'