“两害相较取其轻”用英语怎么翻译

吴光华《汉英大词典》上的.
Of Two Evils,Choose the Lesser One.(汉语说“权/害”两项,英语一项即可)
如果字面翻译的话
If harm is inevitable,take the lesser one; if benefit is optional,choose the bigger one.

Choose the lesser among the two calamities.