刀

你不需要有好几把刀，

你只需要一把锋利的刀来直接完成你要做的事。

你找到了属于自己的刀了吗？

P/S:这里的刀是指制胜的技能。

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A knife

U don't need to hold so many knife,

u just need a shape knife to complete your tasks!

Do you found your own knife?

P/S: the knife in this post indicates the way to win.