Definition: the best way of achieving something Level: B2
这就是制作好番茄酱的秘诀。
That's ___the ___secret to making a good tomato sauce.
那么你成功的秘诀是什么？
So what's ___the ___secret of your success?
这种饮食的秘诀是你必须非常乐观。
___The ___secret of this diet is that you have to be very optimistic.
