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

1.
保障, 保護措施, 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視的保障。
•
These regulations are an important safeguard for consumer rights.
這些規定是消費者權利的重要保障。