For example/instancelike

　　Such asthese include

　　To illustrateamong these are

　　有时，作者也会用破折号或括号来提示举例信息，例如：

　　The developing countries are dependent on cash crops – sugar, coffee, cacao, cotton.

　　Precipitating/violent/unexpected factors are those which reduce the food supply (droughts, floods, wars, epidemics)…

　　在段落浏览时，读者在看到信号词后，应不断对下文信息作出相应的判断，例如：

　　The main reason for (提示：下文信息重要) the reduction in the death rate in the developing world has been improved public health measures. For example, (提示：下文信息不重要，仅仅是为了用来证明前面的观点) in Sri Lanka the death rate was halved over ten years by spraying the mosquitoes which carry malaria.

　　Why (提示：问题的答案中有读者应该关注的重点) is it so easy to cut the death rate in this way and yet so hard to reduce the birth rate? One answer (提示：这只是众多答案中的一种，并不是最重要的。) is that public health measures can be very cheap. Anti-malarial spraying is inexpensive. But this is not the important point (提示：but后面的是非常重要的信息).

　　For birth control programmes to be successful, a change in attitude is required, whereas death control can be achieved autonomously. In other words, (提示：这里是作者想要强调的重要信息) the death rate can be cut without anything else changing.

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