As subsidiaryproduct of man's economic activity, negative environmental effect of trade owns its economic connotation.
国际贸易对环境的影响是人类经济活动无限扩张的副产品，有着深刻的经济学原因和内涵。
2
A project consists of a single product, but that product may include subsidiary elements, each with their own separate but interdependent product scope.
项目包括单一的产品，但是产品可能包括辅助要素，每个有自己单独的但相互依赖的产品范围。
3
"Effective control" may mean actually controlling the day-to-day operations of the subsidiary, or providing the materials needed to manufacture the product.