7 x' \! B6 K% E- I1 H* GNote that in American English, many students are taught not to use the word and anywhere in the whole part of a number, so it is not used before the tens and ones. It is instead used as a verbal delimiter when dealing with compound numbers. Thus, instead of "three hundred and seventy-three", one would say "three hundred seventy-three". For details, see American and British English differences. 4 v6 A- {, a O* w6 ~% s 4 z& S. N$ p/ K) A( X9 J! z: y ' |% T8 _4 j1 L( N3 Xhttp://en.wikipedia.org/wiki/Names_of_numbers_in_English 1 w9 |8 ~% j: l% F" a) S- ^继续钻研,有了成果来汇报