英语练习30 Money doesn't grow on trees

挣钱是很辛苦的
萨姆：妈，您可不可以买一辆新的自行车给我?
妈妈：不可以，萨姆。我办不到。
萨姆：但是我所有的朋友都有新车。
妈妈：你可以骑他们的车子呀!
萨姆：我为什么不能有辆新车呢?
妈妈：因为钱不会长在树上嘛(喻挣钱足很辛苦的)。

Mother,can you buy me a new bike?

No.Sam,I can't

But all my friends have  new bicycles.

You can ride their bikes.

Why can't i have a new bike?

Because money doesn't grow on trees..