Collateral
Collateral 是一个多义词。在金融中指抵押品；在战争中 collateral damage 指“附带损伤”（即误伤平民）。
- He used his house as collateral for the loan. (他用房子作为贷款的抵押品。)
- The air strike caused significant collateral damage to nearby buildings. (空袭对附近的建筑造成了严重的附带破坏。)
- These are collateral issues that are not central to our discussion. (这些是附属问题，不是我们讨论的核心。)
- 前缀：
col-(一起) - 词根：
-later-(侧面，如 lateral, latitude) - 含义：旁边的东西。
记：col- (一起) + later (侧面)。放在主贷款或主目标“侧面”的东西。
To start his own business, Mark had to put up his car as collateral. (为了创业，马克不得不把他的车作为抵押品。)