托福旨在评估非英语为母语的人士的英语水平。托福考试包括听力、阅读、口语和写作四个部分，采用计算机化考试方式，考试成绩可被全球各大院校及企业认可。托福考试被广泛应用于留学、求职、移民等领域，是国际化的英语语言能力认证。
1. as a matter of fact 事实上
2. as a result 结果
3. at any rate 不管怎样
4. at the same time 同时
5. by no means 绝不
6. by the way 顺便说一下
7. in addition 另外
8. in any case 无论如何
9. in conclusion 最后
10. in contrast 相比之下
11. in fact 事实上
12. in other words 换句话说
13. in particular 特别是
14. in reality 实际上
15. in short 简言之
16. in spite of 尽管
17. in summary 总之
18. in the end 最终
19. Ｏn the contrary 相反地
20. Ｏn the other hand 另一方面
21. as far as I am concerned 就我而言
22. as long as 只要
23. as soon as 一...就...
24. as though 好像
25. even if 即使
26. even though 即使
27. for example 例如
28. for instance 例如
29. furthermore 此外
30. however 然而
31. in case 以防万一
32. in order that 为了...目的
33. in order to 为了...
34. in the meantime 同时
35. instead 相反地
36. just as 正如
37. lest 以免
38. like 像
39. namely 即
40. nevertheless 然而
41. nor 也不
42. not Ｏnly...but also 不仅...而且
43. notwithstanding 尽管
44. Ｏnce 一旦
45. otherwise 否则
46. owing to 由于
47. provided that 只要
48. rather than 不是...而是...
49. since 既然
50. so as to 为了...
51. so that 以便...
52. such as 例如
53. supposing 假设
54. than 比
55. that is to say 也就是说
56. therefore 因此
57. though 虽然
58. thus 因此
59. unless 除非
60. unlike 不像
61. until 直到
62. when 当...时候
63. whenever 每当
64. whereas 然而
65. wherever 无论在哪里
66. whether...or 不论...还是...
67. while 虽然
68. with regard to 关于
69. with respect to 关于
70. without 无
71. above all 最重要的是
72. after all 毕竟
73. all in all 总的来说
74. as a result of 由于
75. as far as 至于
76. as for 至于
77. as regards 至于
78. at present 目前
79. by all means 一定
80. by the same token 同样地
81. even so 尽管如此
82. for all that 尽管如此
83. for the time being 暂时
84. from now Ｏn 从现在开始
85. in a sense 在某种意义上
86. in any event 无论如何
87. in case of 在...情况下
88. in contrast to 与...相反
89. in general 一般地说
90. in place of 代替
91. in spite of that 尽管如此
92. in the first place 首先
93. in the long run 最后
94. in the meantime 在此期间
95. Ｏn the whole 总的来说
96. taking into account 考虑到
97. to be sure 的确
98. to put it differently 换句话说
99. to sum up 总之
100. up to now 目前为止
