The state needs to maintain an adequate supply of trained teachers.国家需要维持足够数量的训练有素的教师。Greenpeace managed to assemble enough boats to waylay the ship at sea.绿色和平组织设法聚集起足够数量的小船在海上拦截该船。The company has been accused of not hiring enough women.这家公司因没有雇用足够数量女性职员而受到指责。