for free例句

Why waste £50 when you could get it for free?
能够免费得到为什么还要浪费50英镑呢？

He was also a brilliant propagandist for free trade.
他也是自由贸易杰出的倡导宣传者。

He thought he was going to be held up for free tickets.
他以为是个来问他要免费戏票的.