When acts of altruism are exaggerated, they become hollow.
利他主义的行为被夸大之后,就成了虚伪。
Thou art not stone; but already hast thou become hollow by the numerous drops.
你不是石块,可是许多雨点已经滴穿了你。
Advantages of the open system will become hollow ones if its security can not be perfectly ensured.
只有保证了安全性,才能体现出开放系统的优越性。