This makes it hard for regulators to discern how markets would react in a crisis, especially since there has not been a severe global recession since the early 1990s.

这些都令到监管机构难以掌握市场对危机的反应，特别是1990年以来没有发生过任何严重的全球性衰退。

youdao

Even if climbers escape severe mountain illnesses, the air is thin and cold. Breathing is hard.

即使攀登者能幸免于高山疾病的侵害，山上冰冷稀薄的空气也足以让人步履维艰，呼吸困难。

youdao

This sounds rather easy and intuitive, but it's very hard to do when the consequences of failure are severe.

听起来相当容易和直观，但当失败的后果很严重时就很难做到了。

youdao

That is why it is hard to tell a powerful storm, Hurricane Andrew, caused severe damage to the area in nineteen ninety-two.

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"Robert is a great driver, but he had very severe injuries and he is still working hard just to get back to normal living, " he said.

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Prior editions of the DSM included the less severe "alcohol abuse, " which was meant to apply to people with short-term and less entrenched problems such as college binge drinkers, and the more severe "dependence, " which became synonymous with hard-core alcoholism.

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These are often very expensive, injectable medicines used for hard-to-treat diseases like cancer, severe anemia and rheumatoid arthritis.

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