Western modernist drama has fallen twice and risen twice since its introduction to China.

西方现代派戏剧在中国经历了两起两落的过程。

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Contacts with the West also brought the introduction to China of a major new food crop-sorghum-along with other foreign food products and methods of preparation.

与西方的交流，也为中国引进了一种新的事物品种-高粱，同时还有一些其他的外国食品和加工方法。

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Based on previous researches, three routes of tomato introduction to China are concluded. Then point out that it is not possible for tomato spreading to China through the Silk Road by land.

本人在汲取前人研究成果的基础上，提出了番茄传入中国的三条途径，认为陆上丝绸之路传入的可能性不大。

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So we invented a new product in China called "Introduction to English".

BBC: Doing Business in China

When Chung asked for a letter of introduction from the White House for a trip to China, National Security Council officials warned that Chung was a "hustler" whose activities were "very troubling" for U.S. diplomacy.

CNN: AllPolitics - House Panel Probes Controversial Democratic Donor

The introduction of the sweet potato in China helped lead to a population boom.

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