英语：词组(be) subject to的用法

Be subject to是一个非常常用且好用、高档的英语词组。一般的组成结构为“（be）subject to something/doing something”， 意思是“以…为条件”、“听候…”、“须经…” 等。其中“须经受…”最常用。
1, 表示一种倾向，表示容易…

• This road is subject to flooding.

2, 表示条件，“以…为条件”、“须经…”

• Your business plan is subject to review.
• These arrangements are subject to periodic reviews.
• The promotion is subject to our terms and conditions.
• The plan is subject to your confirmation.
• The arrangement is made subject to your approval.

3, 表示经历一种痛苦等

• Subjected to is used to mean “to be made to undergo an unpleasant experience”:
• Sadly, immigrants are subjected to verbal and emotional abuse in many parts of the country.
• Triathletes are subjected to extreme physical demands.
• Emperor Penguins are subjected to the severe cold of Antarctic winters.