depression a time when there is very little economic activity, which causes a lot of unemployment and poverty.减缓、迟缓、微弱；萧条– He never forgot the hardships he witnessed during the Great Depression of the 1930s.
a mental state in which one is sad and feel that he cannot enjoy anything, because his situation is so difficult and unpleasant.忧愁，沮丧;【心 理学】 忧郁症– Mr. Thomas was suffering from depression...