safeguard
US /ˈseɪf.ɡɑːrd/
UK /ˈseɪf.ɡɑːrd/

1.
保障, 保护措施, 安全措施
a measure taken to protect someone or something or to prevent something undesirable
:
•
The new law provides a safeguard against discrimination.
新法律提供了防止歧视的保障。
•
These regulations are an important safeguard for consumer rights.
这些规定是消费者权利的重要保障。