There are things known and there are things unknown, and in between are the doors of perception.

世上充滿(mǎn)著已知和未知，連接二者的是認(rèn)知的大門(mén)?！獖W爾德斯·赫胥黎

語(yǔ)言點(diǎn)：doors of perception中door為比喻意義，類(lèi)似用法有bridge to success，即通向成功的橋梁

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