81。 相反 in contrast / on the contrary。
82。代替 replace/ substitute / take the place of
83。经不起推敲 cannot bear closer analysis / cannot hold water
84。提供就业机会 offer job opportunities
85。 社会进步的反映 mirror of social progress
86。毫无疑问 Undoubtedly， / There is no doubt that
87。增进相互了解 enhance/ promote mutualunderstanding
88。充分利用 make full use of / take advantage of
89。承受更大的工作压力 suffer from heavier work pressure
90。保障社会的稳定和繁荣 guarantee the stability and prosperity of our society