むだ使いする
使用法.
〜の使い方
the proper way to use something
使いたい
how to use prepositions
how to use anything―directions for use
come [be brought] into use
the correct way to use it
使用法.
むだ使いする
how to use anything―directions for use
使いたい
what something is used for
〜の使い方
the proper way to use something
the correct way to use it
come [be brought] into use
まめに使用する