76. confine something to something: 限制，限定 confine the epidemic to the area 将疫情控制在某地区 We should confine the discussion to the question at issue. 我们应该将讨论的范围限制在这一有争议的问题上。 at issue: 争论中的，讨论中的=in question
77. go by: （时间）流失，过去；遵循，遵照 表“遵循”：follow; abide by; adhere to; obey; conform to; comply with; act in accordance with We have to go by the rules. 我们必须遵守这些规定。 as time goes by/with the passage of time: 随着时间流逝
78. bulletin board: 公告栏，布告牌 The names of the students who failed in the examination were posted on the bulletin board. 考试不及格的学生名字被张贴在了布告栏上。
79. come around: 苏醒；拜访，探访；改变观点（以接受）；（按照预期）发生，再度出现 She would come around in a little while. 她不一会儿就会恢复知觉。 come around to someone’s house 登门拜访 come around to our way of thinking 同意我们的思路 winter comes around 冬天又来了
