In all these cases, the liability holders – i.e., the depositors – have been promised liquidity, yet that promise cannot be kept if it is ever doubted. It is being doubted now.
不管怎样，债权持有人，即存款人，并承诺了流动性，然后这种承诺在其遭到质疑的情况下就无法得到保证。而它现在就遭到了质疑。