51. 长远利益 long-tem interest

　　52. …有其自身的优缺点 …has its own merits and demerits / pros and cons

　　53. 对…有害 do harm to / be harmful to / be detrimental to

　　54. 交流思想/ 情感/ 信息 exchange ideas / emotions / information

　　55. 跟上…的最新发展 keep pace with / keep abreast with the latest development of…

　　56. …的健康发展 the healthy development of…

　　57. 重视 attach great importance to…

　　58. 社会地位 social status

　　59. 把时间和精力放在…上 focus one‘s time and energy on…

　　60. 扩大知识面 expand one‘s scope of knowledge

　　61. 身心两方面 both physically and mentally

　　62. 有直接/间接关系 be directly / indirectly related to…

　　63. 导致很多问题 give rise to / lead to / spell various problems

　　64. 可以替代think的词believe，claim，maintain，argue，insist，hold the opinion / belief / view that

　　65. 缓解压力/ 减轻负担 relieve stress / burden

　　66. 优先考虑/发展… give (top)priority to sth.

　　67. 与…比较 compared with…/ in comparison with

　　68. 可降解的/可分解的材料 degradable / decomposable material

　　69. 代替 replace / substitute / take the place of

　　70. 提供就业机会 offer job opportunities

　　71. 反映了社会进步的 mirror the social progress/advance

　　72. 增进相互了解 enhance / promote mutual understanding

　　73. 充分利用 make full use of / take advantage of

　　74. 承受更大的工作压力 suffer from heavier work pressure

　　75. 保障社会稳定和繁荣 guarantee the stability and prosperity of our society

　　76. 更多地强调 put more emphasis on…

　　77. 适应社会发展 adapt oneself to the social development

　　78. 实现梦想 realize one‘s dream

　　79. 主要理由列举如下 The main / leading reasons are listed as follows：

　　80. 我们还有很长的路要走 We still have a long way to go.