Since the beginning of last century, various teaching theories and methods have turned up on the forum of foreign language teaching in western countries.

自上个世纪以来，在西方外语教学领域出现了各种外语教学理念和教学方法。

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We've seen it in the Summit of the Americas and in the APEC Leaders Forum, where we have agreed with our partners to build a free and open trading system, early in the next century.

CNN: Bill Clinton Speaks To A Meeting Of Newspaper Editors