Uses of the word appropriate:

1-1. Many decisions are made on the grounds of whether a behavior is appropriate or not.
行为是否恰当，可以决定很多的事情。

1-2. Something that is appropriate in one culture may not be appropriate in another culture.
一个文化看为恰当的事情（行动等），在另一个文化就不一定是恰当的。 (more…)