这样的信号词还包括：and,furthermore, more, than, that, also, likewise, moreover, in addition, what is more, for instance, for example...

I’d like to go but I’m too busy.

这类信号词还有：although, however, on the contrary, but, in spite of, otherwise, despite, nevertheless, yet...

As a result of the pilots’ strike, all flights have had to be cancelled.

All flights have had to be cancelled as a result of the pilots’ strike.

显示因果关系的信号词还有：for,thus,because,for this reason,so, therefore, as, since, consequently...

Internet speeds communication between companies, among co-workers through video-conferences, and among other individuals. First, media companies use the Internet for online news, or to broadcast audio and video, including live radio and television programs, while individuals use the Internet for communication, entertainment, finding information, buying and selling goods and services. Second,the notion of distance disappears thanks to the Internet. People also enjoy instant messaging to exchange text messages or pictures in real time, with real-time video and sound. Finally, scientists and scholars use the Internet to perform research, distribute lecture notes or course materials to students, they communicate with colleagues, and can also publish papers and articles.

这样的信号词包括：first, second, third, and so on, then, after, before, next, last, afterward, finally...

In conclusion, I would like to say how much I have enjoyed myself today.