1．过程说明常用表达
①When you find/see ..., what should you do?
②Be careful (not) to ...
③If the injuries are ... , it is vital to ...
④In addition/Then/Next/Also/At the same time, you must/should ...
⑤Firstly/First of all/To begin with, ... Secondly, ... Besides/In addition/What's more, ... At last/Finally, ...
2．结尾常用表达
①Last but not least, you'd better ...
②More importantly, you should ...
③The last but most important step is ...
④In a word, as long as you ... you can ...
