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解释:药物之间有阴阳、子母、兄弟等配对关系,说明药物配伍的原理。
The best stories are those that challenge our assumptions.
Poverty is not just a lack of money; it’s about having so little that you can’t even afford to make the right decisions.
穷人不仅仅是消极的受害者;他们是试图在艰难世界中航行的积极行动者。