用英文念数字 什么时候加and

只有在百的后面才加and
two thousand two hundred
two thousand and twenty
two thousan and two
因为这里的百位上是零，所以在千的后面直接加and
也就是说如果是2222就是two thousand two hundred and twenty two

2200 two thousand two hundred
2020 two thousand and twenty
2002 two thousand and two

two thousand two hundred
two thousand and twenty
two thousand and two

2200，two thousand two hundred
2020．two thousand and twenty
2002 two thousand and two