A table can only hold so much weight before it collapses.
一张桌子只能承受一定的重量，否则它就会倒塌。
To reduce your risk of complications you may need to lose some weight before surgery.
为降低手术综合风险，你需要术前先瘦身。
If you tried to lose weight before and failed, please take heart!
如果您在之前尝试过减轻体重并失败了，请振作！
If you tried to lose weight before and failed, please take heart!
如果您在之前尝试过减轻体重并失败了，请振作！
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