我得承认，我不知道怎么克服这个问题。如果没有群体压力促使人们改变这些令人厌恶的行为，我也不知道它们会不会因此变得根深蒂固而难以更改。

• I must confess that I do not know where the real solution lies,or whether these unedifying character traits,if left uncorrected and in the absence of a strong peer pressure for change,will become too deeply-entrenched to get rid of later.