1. Running on a variety of phones, Dub lets you swap business cards electronically, even with people who don't use the service. Dub 可以在多种手机上运行，让你可以通过电子方式交换名片，甚至可以与不使用这项服务的人交换名片。
2. We have two main cafeterias, the Ratty and the V-Dub, which are on opposite sides, South and North. 我们有两个主要的食堂，一个叫 Ratty，一个叫 V-Dub，两个食堂在相反的方位，一个在南边，一个在北边。
3. One of the concerns for students in this course, particularly those we dub less comfortable is that you're already starting off at a disadvantage. 对于这门课的学生，尤其是那些被我们称为不太舒服的学生来说，首先要考虑的是你们已经处于劣势了。
