and，if怎麼用

1、What I did was right and if I had done anything less it would have been wrong.我做的一切都是正確的，如果我少做了一點點，就會出錯。

2、I don't really get a lot of information， and if I do I get it off Mark.我得到的資訊其實不多，即使有也是馬克告訴我的。

3、He could react rather jealously when and if another child comes on the scene.如果別的孩子也加入其中，他可能會表現得相當嫉妒。