162. correspond (with) ( =exchange letters regularly) 通信
163. correspond to 相當于 . correspond with 符合,一致
164. at all costs不惜任何代價 . at the cost of 以…為代價
165. a matter of course 理所當然的事
166. as a matter of course 當然地, 自然地
167. in (during) the course 在…過程中
168. in due course (=without too much delay) 沒經過太久, 到一定時候
169. on credit賒購; with credit以優(yōu)異成績; to one’s credit使某人感到光榮; do sb. credit 使…感到光榮
170.be critical of 愛挑毛病的,批評的