问题描述：
1.we will fail to arrive there in time if we don't set off now.
2.you will forget my telephone number unless you write it down.
3.Mr Brown works as an engineer.
4.it's easy for you to work out the proble.
用简单的英语解释以上的四个句子!最好帮我翻译一下!
2.you will forget my telephone number unless you write it down.
3.Mr Brown works as an engineer.
4.it's easy for you to work out the proble.
用简单的英语解释以上的四个句子!最好帮我翻译一下!
问题解答：
我来补答展开全文阅读