Tricks of the trade 某門生意或職業(yè)的訣竅

　　英語表達 tricks of the trade 意思是“某種生意或職業(yè)的訣竅”，這些竅門是該行業(yè)內(nèi)的專業(yè)人士必須掌握的或者只有他們才知道的專業(yè)知識。

　　例句

　　It takes a while to learn the tricks of the trade, but once you do you can make a good living as a plumber.

　　I learned the tricks of the trade from my father, so I can take over his business when he retires.

　　請注意

　　這個表達也可以用于貶義，來形容商業(yè)行為中不誠實的做法。

　　例句

　　Digitally altering photos is one of the tricks of the magazine business. Their models don’t look like that in real life.

　　The greengrocer always weighs the fruit in a bag. It’s one of the tricks of the trade, it doesn’t make much difference to an individual purchase but over the year it all adds up.