制革厂的遗产应以其对环境的守护来衡量。
A tannery’s legacy should be measured by its environmental stewardship.
解释:使用毒性大的药物治疗疾病时,病情十成中只能去掉六成就要停药,以免伤害正气。
Responsibilities gravitate to the person who can shoulder them;power to the man who knows how.