Insurance can reduce the unexpected losses resulting from natural disasters and accidents.

保险可以减少因自然灾害和事故而造成的意外损失。

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Risk is the causation of unexpected losses, and capital is the buffer of unexpected losses.

风险是金融机构产生非预期损失的原因，资本金是金融机构的非预期损失缓冲器。

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All Banks will be required to hold a lot more capital to protect them against unexpected losses.

所有银行都必须持有更多资本，以保证自身应对意外损失。

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This is meant to protect against possible losses should anything unexpected crush those green shoots in the world's largest economy.

VOA: special.2009.05.08

But capital needs to be set aside more for unexpected losses than expected ones.

ECONOMIST: Basle bust-up

Suddenly you discover your bank is at much bigger risk than you thought and exposed to unexpected losses due to poor data.

FORBES: GoldenSource Helps Wall Street Manage Risk

As these loans turned bad and losses mounted, it became clear that banks had set aside too little capital to protect themselves against unexpected losses.

ECONOMIST: Global economic imbalances