1、
Roofers also ranked poorly because of their hazardous working conditions.
这个置业排名靠后也是因为工作环境的危险性.
互联网摘选
2、
3、
The study estimates roofers earn annual incomes of $ 34, 164 , which Mr.
这项研究估计屋顶修理工的年收入为34, 164美元.
互联网摘选
