So we've got to rethink sanitation, and we've got to reinvent the sanitation infrastructure, and I'm going to argue that to do this, you have to employ systems thinking.
因此我们必须重新想一想卫生问题， 我们必须改造卫生基础设施， 我正打算说服人们去做这些， 你必须采用系统的思考。