Don't try to be a jack of all trades, become a master of one.

不要想着成为万事通，去成为某一样事的专家。

youdao

Young people should be encouraged to see the value of all trades and professions.

应该鼓励年轻人看到各行各业的价值。

youdao

In other words, all trades are risky because the outcomes are probable - not guaranteed.

换句话说，因为所有的交易结果都是可能的，所以交易都是有风险的——也就是没有保证的。

youdao

Back in the real world, since all trades balance, bubbles quite simply don't exist.

FORBES: Political Economy

If there were ever a jack of all trades in the electronics biz, Medion would be it.

ENGADGET: Medion offers personalized laptop on the cheap

Years ago I was advising one of the largest funds on selection of a central broker for all trades.

FORBES: Pensions and Brokerage: The Brokerage Battlefield Revisited (October 1, 2000)