"The past is not dead. It is not even past."

Agricultural technology is not lofty theory, but must be truly implemented in the fields.

Sustainability must be profitable, or it won't be sustainable.

货币联盟不仅仅是经济问题，还涉及政治以及各国为更大稳定性而放弃部分主权的意愿。

作家的天赋是看到他人忽略的事物。