例句：
Selfish people always say that.
自私的'人总是这么说。
They are all proud and selfish.
他们都是那么的自负、自私。
You're more selfish than I am.
你比我更自私。
Love is the antithesis of selfishness.
爱是自私的对立面。
We must be mindful of the consequences of selfishness.
我们一定要留意自私自利的后果。
We've all been guilty of selfishness at some time in our lives.
我们每个人一生中都有过自私自利的过失。
She is a selfless girl.
她是个没私心的姑娘。
As a soldier, he showed selfless devotion to duty.
作为战士，他表现出了对其天职的无私奉献。