The perception of risk for foreign oil workers and their families in North Africa, has soared.

北非的外国石油工人及其家人对风险的看法飙升。

If there is a higher perception of risk, then the market will charge you more to lend.

如果对风险的认知度更高， 那么市场将向您收取更高的借贷费用。

In the Dark Knight, the initial optimism resulting from Batman's success becomes challenged by these unintended consequences that greatly impact the perception of risk.

在《黑暗骑士》中，蝙蝠侠起初的胜利所带来的乐观情绪开始为意外的后果所动摇，这些后果深刻影响到人们对风险的认知。

Or did it default because Moody's downgraded its debt, made its borrowing more expensive, raised the perception of risk, and therefore pushed it over the edge.

或者它违约是因为穆迪下调了它的债务评级，提高了借贷成本， 提高了风险意识，从而将它推向了边缘。