8. 數(shù)詞 1) 大于某數(shù) more than 20 years, over thirty, above twenty degrees
2) 小于 less than ten days, fewer than 50 people, children under 7
3) 至少 at least 10 dollars, no less than 100 people
4) 大約 about three days, around 2 o'clock, two miles or so