There are many ideas about the best way to learn a new language, but what's "the bottom line," in your opinion? #AmericanEnglish
/the bottom line/底线。我是一个很有底线的人。
There are many ideas about the best way to learn a new language, but what's "the bottom line," in your opinion? #AmericanEnglish
/the bottom line/底线。我是一个很有底线的人。