Concentrates
v. 專心于( concentrate的第三人稱單數 ); 注意; 集中; 聚集
??? 情景例句
But I am thinking about myself.
但我就是在為自己著想呀。
How are you?
你好嗎？
Is there much of a difference in price?
價錢也有很大的分別吧？