effort 可数吗（effort什么情况下用复数）

effort 可数，复数形式是efforts

effort

美 /ˈefərt/

英 /ˈefət/

n.

努力；成就

双语例句：

After everyone's joint efforts, the company has developed very well.

经过大家的共同努力，公司发展得很好。

It took me lots of efforts to finger out the final result of this math exam.

我费了好大劲才算出这次数学考试的最终结果。