We lead the way in space technology.

　　我們在航天技術方面處于領先地位。

　　If we take the lead in this, others may follow.

　　如果我們在這方面帶頭行動，其余的人就會跟著來。

　　I tried to lead the discussion back to the main issue.

　　我試圖把討論引回到主要問題上。

　　She has tried to lead a good life.

　　她努力規規矩矩地生活。

　　He should be able to lead a perfectly normal life.

　　他應該能夠過上完全正常的生活。