每年唐都要收下一两万美元的欠条，据他估算总数有三十万美元。
Each year, Don writes off between ten and twenty thousand dollars, and he estimates that he is owed around three hundred thousand dollars in total.
据他估算，经过大概八年的时间，那些私有化了的工厂就全面赢利了。
Over the course of about eight years, he estimates, those factories became fully profitable.
据他估算，两年来，吉尔伯特的农田已经有50% ~ 70%被出售用于开发。
He reckons that 50-70% of the farmland in Gilbert has been sold for development in the past two years.
应用推荐