But if you're not a native speaker, you have to pass a test. 如果你的母语不是英语的话，你要通过一个考试。 Now can it be right to reject a student on linguistic ability alone? 那么仅仅根据学生的语言能力就拒绝一个学生的做法合适吗？ Perhaps you have a
Now, I have this device on. I didn't want to take my shirt off to show you, but I can tell you it's on. 现在我的身上有一个类似的设备。我不想把衬衫脱掉给各位看，但是可以告诉大家我的确戴着它。 This is a device that not only measures cardiac rhyt
Talk very briefly about innovation cycles, things that grow, have a lot of activity; they die out when they're replaced by something else. 简短地谈一下发明创造的周期，周期发展时会衍生许多活动，当这些活动被其他活动取代，此周期就灭亡了。 These things
