Although factory farming may be more profitable, there are major doubts about it’s morality.
講解:
although後邊不加but,一定要記住!!!
factory farming 工業化養殖;工廠化飼養
may be ... 可能是...
profitable 有利可圖的,賺錢的
major doubts 很大的疑慮
morality 道德性
While the car may be the most popular form of transport, it also causes the most pollution.
講解:
while 雖然,即使(放在句首)
the car 汽車(統稱,the+n可以表示一類事物)
form of transport 交通方式
cause 引起,導致
No matter how harmful it is to the environment, mass tourism should still be encouraged.
講解:
no matter how ... 無論多麼...
harmful 有害的 be harmful to ... 對...有害
mass tourism 大眾旅行
be encouraged 被鼓勵
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