A healthy diet and regular exercise are certainly the best weapons against weight gain, but the fact is that sometimes they aren't enough.

健康的饮食和经常性的锻炼当然是对付增重的最佳武器，但是事实证明有时候仅靠这些是不够的。

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We haven't got advanced weapons so what we can do is just strict exercise.

我们没有先进的武器，所以只能进行严格的训练。

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Thus, ranking the reasons for killing weapons programs is largely an intuitive exercise.

FORBES: Top Five Reasons Weapons Programs Are Canceled

The hearings have also served to identify areas that require further investigation by members of the Senate if they are responsibly to exercise their constitutional duty to advise and consent to treaties like the Chemical Weapons Convention.

CENTERFORSECURITYPOLICY: Center for Security Policy | ��Inquiry interruptus��: will the Senate get to the bottom of the chemical weapons convention��s fatal flaws?