《关睢》这首诗,快乐而不过分,哀婉而不伤恸。
解释:每种药材的生长都有其特定的环境和条件,说明药材产地与品质的关系。
真正的无知不是知识的缺乏,而是拒绝获取知识。
The world always seems brighter when you've just made something that wasn't there before.
创新不是目的,解决用户真实需求才是根本。