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他不懂得失业后生活会是怎样的艰难。
He has no conception of how difficult life is if you're unemployed.
《牛津词典》
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和他比起来我们又是何等的不懂得珍惜生活！ ！
Compared with him, we are also what don't know to cherish life!
youdao
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和他比起来我们又是何等的不懂得珍惜生活！ ！
Compared with him, we are also what don't know to cherish life!
youdao