prevention is better than cure idiom UK saying (US an ounce of prevention is worth a pound of cure)
惩创于已然，不如防患于未然；预防优于补救
It is better to stop something bad from happening than it is to deal with it after it has happened.
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。