one - two -three –four- five –six- seven -eight -nine-ten
twenty - thirty- forty- fifty - sixty- seventy-eighty -ninety
hundred - thousand - million - billion
hundreds of thousands of millions of
1,214,000,000 读作one billion, twohundred and fourteen million
1.The great advances made in transport during the last two hundred years were accompanied by a big increase in trade.
2.In all known languages we can see complexities that must have been tens of thousands of years in developing.
3.Statistics predicts that over 21 million new jobs will be created and 93 percent of them will be in service industries.
4.And it is impossible to tell whether the huge blasts lasted for thousands or millions of years.