·2,447,543篇论文数据，部分数据来源于NoteExpress
Yet profits rise and fall for reasons which have nothing to do with managerial effort, such as the health of the economy.
然而，利润会因为经济体健康等与管理努力毫不相干的种种原因而上升和下降。
youdao
应用推荐
模块上移
模块下移
不移动