1.He has devised a scheme for making money.

1.他想出一个办法。

2.He evolved a system for making money quickly.

2.他想出了一套快速方法。

3.He decided to turn his hobby into a lucrative sideline.

3.他决定把自己爱好变副业。

4.This is not money-making proposition.

4.这不是个事业。

5.All his little schemes for making money seem to come to grief.

5.他为而耍花招看来都会失败。