If you are depressed, you are sad and feel that you cannot enjoy anything, because your situation is so difficult and unpleasant.
She's been very depressed and upset about this whole situation.
她对整个境况感到非常沮丧和不快。
A depressed place or industry does not have enough business or employment to be successful.
run-down
thriving , booming
Many states already have enterprise zones and legislation that encourage investment in depressed areas.
许多州都已经建立工业区并制定法律法规以鼓励对经济困难地区的投资。
The construction industry is no longer as depressed as it was.
建筑业不再像从前那么萧条。