问题
翻译题
根据汉语意思完成句子。
1．他们房子里有报警系统.
They have a________in the house.
2．这些国家的法律制度各不相同.
The____are quite different in these countries．
3．我们要建立一个社会信用体系.
We must set up a____.
4．运输系统需要改进.
The________needs to be improved.
答案
1. warning system 2. legal systems 3. social credit system 4. transport system
