But the tech industry has a dirty little secret: it has toxic waste of its own.
但是，高新技术产业有一个肮脏的小秘密：它自己就含有有毒废料！
2
This is one of the dirty secrets of the maternity industry.
这是孕妇产业的一个肮脏的小秘密。
3
The resulting health problems reduce rural output by 2%, it found, and the costs to industry and agriculture of dirty and scarce water SAP GDP by another percentage point.