open sesame
From the fairy tale Ali Baba and the Forty Thieves , in which the magic words open sesame had to be said to open the cave where the thieves kept their treasure.
源自童話故事《阿里巴巴和四十大盜》。只有念出咒語「芝麻，開門」，大盜藏寶洞的大門才能打開。
something that makes it very easy to achieve a particular thing
(達到…的)法寶，通行手段，開門咒語
A science degree can be an open sesame to a job in almost any field.
理科學位是可以在幾乎所有領域獲得一份工作的敲門磚。
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客官！在看一下唄~
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