manner : 指在某一时期或某一团体中盛行的社会礼仪或社会风俗模式。
He needs to be taught some manner.
他需要学些礼仪。
It's bad manners to eat with your mouth open.
张着嘴吃东西是不文雅的。
It's considered good manners in some societies to leave a little food on your plate.
在某些社会中，人们认为盘中剩下少许食物是礼貌的表现。
habit : 侧重于自然养成的，不易去掉的个人习惯。
I always buy the same brand of toothpaste out of (= because of) habit.
我出于习惯总是买同一个牌子的牙膏。
I'm trying not to get into (= start) the habit of always having biscuits with my coffee.
我尽量避免养成喝咖啡时总是吃饼干的习惯。
I used to swim twice a week， but I seem to have got out of (= ended) the habit recently.
我过去每周游两次泳，但最近似乎打破了这个习惯。
I was taught to drive by my boyfriend and I'm afraid I've picked up (= caught) some of his bad habits.
我是跟我男友学的开车，恐怕我已经染上了他的一些坏习惯。
