The bomb is for self-protection and it also has a deterrent effect.

炸弹是用来自卫的，而且它还有威慑作用。

youdao

The school has taught self-protection for four years.

这所学校教自我保护课已经有四年了。

youdao

Another reason for lying has to do with self-protection.

说谎的另一个原因与自我保护有关。

youdao

The brokerage industry is unique in that it has been permitted to self-regulate with limited SEC oversight, self-insure through the Securities Investor Protection Corporation, self-adjudicate through mandatory NASD Dispute Resolution arbitration, and even control, through the NASD Public Disclosure Program, the information the public receives about firms.

FORBES: Investigating Brokerages (May 1, 2002 )