Modern quarrying requires us to be geologists, ecologists, and community diplomats simultaneously.
现代采石要求我们同时成为地质学家、生态学家和社区外交官。
统计方法的目的是为从数据中得出结论提供合理的基础。
Wrinkles should merely indicate where smiles have been.
Cities are a stage where life is played out.