There is a kind of sadness is inexplicable, there is no reason, there is no vent.

有种难过是莫名其妙的，没有理由，更没有发泄口。

youdao

There is a kind of loneliness is inexplicable, there is no reason, there is no vent.

有种孤独是莫名其妙的，没有理由，更没有发泄口。

youdao

Enclosure has no vent opening. Enclosure dimensions exclude the external aluminum heatsink.

外包装没有通风口。外包装尺寸并不包括外置铝散热片。

youdao

The no campaigners turned elsewhere to vent their spleen.

BBC: Delegates keep quiet as protesters heckle

Others protest and vent online for years with no result.

ECONOMIST: Rural activism

Its surface is no more unpleasant than the inside of a volcanic vent, where bacteria thrive.

NEWYORKER: The Martian Chroniclers