Some fish, like salmon , may be prevented from swimming upstream to spawn.

一些鱼类, 例如大马哈鱼, 可能因此无法溯流产卵.

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It doesn't mean swimming upstream blindly, just because you want to revolt against authority.

也不意味着仅仅因为你主观反对权威就盲目的“逆流而上 ”.

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