We'll need a flat surface to play the game on.

　　我們得有個平面才能玩這個游戲。

　　I used to play here as a boy.

　　我小時候常在這里玩。

　　There's a time to work and a time to play.

　　工作、玩耍皆有時。

　　He played a major role in setting up the system.

　　他在建立這個系統(tǒng)的`過程中扮演了主要的角色。

　　The financial crisis has brought new factors into play.

　　財政危機已引發(fā)了新的變數(shù)。