分析人士认为，由于一些投资者必须为日元疲软买单，因此日元的升值幅度有可能被放大。
The rise may have been amplified by investors forced to cover bets that the yen would remain weak, analysts said.
这可能放大道德风险：当你有了麻烦，你会希望这个麻烦足够大，以便求援。
Moral hazard may be exaggerated: if you are in trouble, you want the trouble to be bad enough to require rescue.
他们倾向于使用过时的设备在高有可能释放大量的浪费空气。
They tend to use obsolete equipment in which they are high likely to emit a great deal of wasted air.
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