1,19,199,1999,2099,19999
问题描述：
1,19,199,1999,2099,19999
怎么念?
答
1,one
19nineteen
199one hundred and ninety-nine,
1,999one thousand nine hundred and ninety-nine
2,099 two thousand and ninety-nine
19,999nineteen thousand nine hundred and ninety-nine