1.known for 因...而出名

例句:He was known for his poor grammar and punctuation.
他不通语法和乱用标点是出了名的。

2.staple foods 主食

例句:Potatoes can be important staple foods, but balanced diets need to include other vegetables and whole grain foods.
马铃薯能够作为重要的主食，但是平衡的膳食需要包括其他蔬菜和全谷物食品。

3.make sense 有意义；讲得通

例句:There are some stylistic elements in the statue that just don't make sense.
这座雕像上的一些风格元素让人完全捉摸不透。

4.electronic transactions 电子交易

例句:Nonetheless, micropayments and electronic transactions are coming in2010.
尽管如此，小额支付和电子交易仍将在2010年广泛流行。