But finding these fossils has posed many new mysteries .

然而这些化石的发现又带来许多新的谜团。

But by 2012 the threat posed by deficits will loom large .

但到2012年由赤字带来的威胁会更大。

Some history will illustrate the potential problem posed by money funds .

有一段历史或能揭示货币市场基金带来的潜在风险。

Donovan said agents concluded the man posed no danger .

多诺万表示情报机构确认此人并没有构成威胁。

He posed for photographs at his home in new delhi .

在新德里，他的家中摆好姿势让人拍照。