If your weight is a major concern, consult a doctor.
假如你的体重已经很成问题了，最好咨询一下医生。
I think the increased concern for weight is an improvement of our living standard.
对体重问题的日益关注也说明了人们生活水平的提高。
Safety has been a concern with some weight-loss medications.
安全问题成为一些减肥药的热点。
Safety has been a concern with some weight-loss medications.
安全问题成为一些减肥药的热点。
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