GbEng
我深信自满情绪是我们各种问题的根源. It's my conviction (ie I firmly believe) that complacency is at the root of our troubles.
腐败的原因传布腐败或腐朽的根源 A source of spreading corruption or decay.
产生这问题的根源在於缺乏信任. The root of the problem is lack of trust.
犯罪行为的根源是否始自幼时? Are the seeds of criminal behaviour sown early in life?
不开心是他生病的根源。 Unhappiness is the root cause of his illness.