But banks and broker-dealers are in trouble because their assets are collapsing under them.

但是银行和经纪自营商正处于困境中,因为它们的资产正在它们之中崩塌。

耶鲁公开课 - 金融市场课程节选

And, this is what prevents them from collapsing into one another.

而这就是阻止,相互碰撞的东西。

麻省理工公开课 - 固态化学导论课程节选