优质工艺和道德生产可以共存;它们并不相互排斥。
Quality craftsmanship and ethical production can coexist; they're not mutually exclusive.
实现明天理想的唯一障碍是今天的疑虑。
The pursuit of truth is a noble goal in life.
经济学家的角色既是科学家,又是工程师。