重點講解：
1. go out
外出交際；外出娛樂；
eg. I'm going out tonight.
我今晚要出去玩PB;nMom6Neaf4S1yh。
eg. It will be a marvellous occasion and they should go out and enjoy it.
這是個好時機，他們應該出去痛快地玩一玩8Pt;2#3+vvh,7&A。
2. for free
義務地；無償地；免費地；
eg. I wasn't expecting you to do it for free.
我并沒有指望你白干03tw9;KicO。
eg. Why waste £50 when you could get it for free?
能夠免費得到為什么還要浪費50英鎊呢？
3. for example
例如；比如；
eg. Many great men have risen from poverty---Lincoln, for example.
許多偉人從貧困中崛起，例如林肯d49TbY49Z&bThG[gNWQ。
eg. There are many sources of air pollution; exhaust fumes, for example.
空氣污染有許多來源，例如廢氣&S2i!,#1by]oB1;MZ。