去年，这个集团的纯利润率为30%。The group had a net profit margin of 30% last year.去年11月，军队被派往这些岛屿以恢复秩序。Troops were sent to the islands to restore order last November.去年，经济增长率下降到4%以下。Last year, economic growth tailed off to below four ...
英语中的抽象名词通常是不可数名词.Abstract nouns are usually uncountable nouns in English.小鸡尚未孵出来不可数.You must not count your chickens before they are hatched.不可数名词在本词典中以 [ U ] 标明.An uncountable noun is marked [ U ] in this dictionary....