Nine years ago, I decided, with a successful public health career in the making, that I could make the biggest impact coming, selling and promoting the world's best invention in public health: soap.
九年前， 当我的公共卫生事业发展的很好的时候， 我下定决心要做一个具有很大影响力的事情， 销售并且推广这个世界上在公共卫生领域 最好的发明：肥皂。