1,2,3,4,5,6,7,8,9 and 10:one,two,three,four,five,six,seven,eight,nine,ten
11,12,13,14,15,16,17,18,19 and 20:eleven,twelve,thirteen,fourteen,fifteen,sixteen,seventeen,eighteen,nineteen and twenty.
从20 起：用 twenty,thirty,forty,fifty,sixty,seventy,eighty and ninety 代表 20,30,40,50,60,70,80 and 90 再加连字符和 one,two,three,four,five,six,seven,eight,nine.
例：
38 = thirty-eight （读 thirty eight）
84 = eighty-four
25 = twenty-five