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 mutual understanding
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