26. draw a distinction between … 区分…
e.g.One useful approach is to draw a distinction between personal
morality and public morality.
27. catalyst n.催化剂；刺激因素
e.g. circumstance often serves as a catalyst for heroism.
28. account for …解释原因
e.g. This combination of very high density of population, goods and
services, and machines, all increasing with almost brutal speed, does
account for some really antisocial tendencies in modern urban growth.
29. proviso n.限制性条款；（附带）条件
e.g. The carpenter agreed to do the work, with the proviso that he was
paid in advance.
e.g. Aside from the two forgoing provisos, however, I fundamentally
disagree with the speaker’s claim.
30. conversely adv.相反的
e.g. hold converse opinions. || Without knowledge, we can hardly survive
through abominable conditions, depending solely on the admiration of the
beings derived from imagination. Conversely, without imagination, we
can as well not possible to get through due to the impediment of
knowledge and the depletion of spiritual asylums.
