The poor are often forced to make choices that no one should have to make.
穷人常常被迫做出没有人应该做出的选择。
次要规则是那些规定主要规则的创建、修改和废止的规则。
一支最甜美的歌,往往是用于歌颂最悲伤思维的歌。
Diversity in tree species isn't just ecology—it's risk management for our planet's lungs.