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古怪行为(或想法);怪癖
Eccentricities are ways of behaving that people think are strange, or habits or opinions that are different from those of most people.
例句
We all have our eccentricities.
我们每个人都有自己的怪癖。
...the eccentricities of British life.
英国人生活中的种种怪癖