They have created an environment in which productivity should flourish.

　　他們創造了一種可以大大提高生產力的環境。

　　He had a vision of a world in which there would be no wars.

　　他幻想有一個沒有戰爭的世界。

　　We now have a small window of opportunity in which to make our views known.

　　我們現在有一線機會使人了解我們的觀點。

　　The way in which we work has undergone a complete transformation in the past decade.

　　在過去的十年里，我們的工作方式經歷了徹底的變革。

　　This delay gives the party a breathing space in which to sort out its policies.

　　這一延誤使該黨有了喘息之機來厘定其政策。