All these problems are about assessing risk, or predicting the future, which no one except a fool believes he can do without some margin of error.

所有这些问题都是关于风险评估和未来预测的，除了疯子，谁也不会觉得自己能做到分毫不差。

youdao

Without cash on hand, the firm can't facilitate trades for its clients or meet margin calls for its own proprietary trades.

如果手头没有现金，它就无法为其客户促成交易，也无法满足其自营业务追加保证金的要求。

youdao

But it's impossible to tell how many wouldn't have been accepted, and by what margin, without help.

但是没有帮助的话，根本不可能说出有多少人本不该录取，也无法确定录取范围。

youdao

In today's liberalising markets, regulators have yet to figure out the best way to achieve that reserve margin without damaging the new incentives they are trying to introduce.

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However, these branches deliver just 9% of Lloyds' profit - largely because what's being sold is in effect a low-margin mortgage bank, without the benefit of all the other higher margin loans and products that Lloyds also sells its millions of customers.

BBC: Lloyds sale of Verde hits huge obstacle

Amazon has grown rapidly, though it increasingly looks like a low-margin retailer without the stores, as YCharts pointed out earlier this year.

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