If we observe our daily life carefully, we will surely learn that offence, caused by impoliteness or even by politeness, does not occur less frequently than expected.

• 如果我们稍加留意观察日常生活，就不难发现：无论是由不礼貌引起的冒犯还是礼貌引起的冒犯，生活中的冒犯并不比我们理所当然认为的那么罕见。