Different commodities may, indeed, have differing degrees of liquidity-premium amongst themselves, and money may incur some degree of carrying costs, e.g. for safe custody.

事实上，不同的商品之间可能具有不同程度的流动性溢价，货币可能会产生一定程度的持有成本，例如为了安全保管。

That, the man sitting as President had then informed Doctor Manette that the prisoner must remain in custody, but should, for his sake, be held inviolate in safe custody.

那位担任主席的人随后通知马内特医生，必须继续拘留囚犯，但为了他的缘故，应该将其安全地看在不受侵犯的地步。