keep in mind:记住Keep in mind that you'll have to practice economy. 记住要厉行节约.
for a change:为了改变一下,为了换个口味Let's go to a movie for a change. 我们换个口味,去看场电影吧!Let's eat Italian food for a change. 让我们换个口味,吃意大利菜吧!
