add up例句
Add up all the income you've received over the period in question.
把那个时期里你拿到的所有收入加在一起。
More than a quarter of seven year-olds cannot
add up properly.
7岁的孩子中1/4以上都不会正确地做加法运算。
For a hit show, profits can
add up to millions of dollars.
一场热门演出的利润可达数百万美元。