Ethical leadership isn't about being perfect - it's about being accountable.
The double helix structure of DNA is one of the most beautiful and elegant structures in all of science.
每个词都是通向理解的一步,但也是通向困惑的一步。
尽管儿童的举止有比较大的自由,但总的说来,他们给人一种非常有纪律的印象。
I'm the reason your brain won't think.