今生无悔瓶
习惯从右往左每三位数加一个逗号，从右往左对应的分别就是thousand,million, billion.3万，30,000＝30 thousand30万，300,000=300 thousand300万，3,000,000=3 million3000万，30,000,000=30 millionetc
尘封1205
习惯从右往左每三位数加一个逗号，从右往左对应的分别就是thousand,million,billion.3万，30,000=30thousand30万，300,000=300thousand300万，3,000,000=3million3000万，30,000,000=30millionetc
优质英语培训问答知识库
