The advantages found in history seem to be of three kinds， as they result either from the mere situation of the climate and country or from the form of government and of the character of the people， or from those finer principles and morals， which may be called the recommendations of philosophy.

我不是一个退缩的人。

我们生产的每一件塑料制品都应该有明确的再利用或回收路径。