The psychologist must avoid all metaphysical assumptions.

创新不是一种选择；它是煤炭行业生存的必要条件。

人生之初，即有忧愁，与生俱来也。

The most successful states in the future will be those that combine the rule of law and democratic accountability with effective governance.

我们必须倾听模型告诉我们的信息，即使这些信息令人不安。