书籍 Insight - 中高级 - 单元 4 - 4E

used to introduce additional information

used to add a point to support the statement just mentioned

used to express an additional element in a sentence

used to emphasize a contrast

used to show that something happened or is true, even though there was a difficulty or obstacle that might have prevented it

used to introduce a contrast to what has just been said

used to express additional information or to say that something is true in a similar manner

used to add a statement that contradicts what was just mentioned

despite the fact that; even though

used to introduce a statement that is true for one thing and false for another

used to introduce another fact or idea in addition to something already mentioned

used to add extra or supplementary information

regardless of the circumstances or conditions