per contra的用法和样例：
例句
- Contra it is open to a Kshatriya to serve.
相反地,安贝卡更关心的是社会课题。 - The sticker shock isn't as intense when I see the price per gallon as it is when I'm faced with the total cost.
我看到加仑数的时候并不震惊，但相反在看见总价就会惊讶不已。
经典引文
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The article won't do..much good, but per contra it won't do..any harm.
出自： R. Fry
