利息interest可數嗎

例句：

What are your special interests?

你有哪些主要的愛好？

She has business interests in France.

她在法國擁有企業權益。

Her main interests are music and tennis.

她的主要愛好是音樂和網球。

She told him she only had his interests at heart.

她告訴他，她心裏頭只有他的利益。