The ratio of liquid assets to debt in their balance sheets has risen and stayed at a relatively high level for some time now.

资产负债表上流动资产对债务的比率已经上升，并且到现在都保持在一个比较高的水平上。

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Moreover, the continued strong monetary growth is likely to be related to the low level of interest rates, which implies low opportunity costs of holding liquid assets.

此外，货币总量的迅速增长当与低利率关系密切，因为低利率意味着持有流动资产的机会成本较低。

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