种族差异不应在体育运动中发挥作用。

Psychology should be the science of mental life, both of its phenomena and of their conditions.

写作是一种自由的行为，一种抵抗压迫和遗忘的方式。

能源行业不仅仅是开采资源；它关乎推动进步和改善生活。

Small changes in fishing practices can create waves of positive impact.