"The immune system is like a double-edged sword; it can fight cancer but also needs to be controlled."
免疫系统就像一把双刃剑；它可以对抗癌症，但也需要被控制。
The old-fashioned dictator does not exist under scientific management.
真正的民主只能存在于社会主义社会中。
What has destroyed every previous civilization has been the tendency to the unequal distribution of wealth and power.
I think goals should never be easy, they should force you to work, even if they are uncomfortable at the time.
要发展业务，首先要培养人才。
解释：皮都不存在了，毛还在哪依附呢？