Usta
abbr. 美国网球协会（United States Trademark Association）
🗣️ 情景例句
so that we don't have to worry about any structural problems.
我们就可以不用担心任何结构上的问题。
You're not so great yourself.
你自己也没好到哪里去。
No, she isn't wearing a sweater. She's wearing a white blouse.
没穿。她穿了一件白色的衬衫？