The market stability regulator, which would make sure that the markets don't freeze up on us we don't have a systemic crisis.

第一，市场稳定性调控者，要保证市场不会失去活力,保证我们不会有系统性危机。

耶鲁公开课 - 金融市场课程节选

Ponds would freeze from the bottom up.

如果池塘是从底部向上结冰的。

麻省理工公开课 - 固态化学导论课程节选