Uses of the word appropriate:

1-1. Many decisions are made on the grounds of whether a behavior is appropriate or not.
行為是否恰當，可以決定很多的事情。

1-2. Something that is appropriate in one culture may not be appropriate in another culture.
一個文化看為恰當的事情（行動等），在另一個文化就不一定是恰當的。 (more…)