It is possible that mercury did have something to do with the propulsion, or more possibly, with the guidance system.

水银很可能同推进力有密切关系，或者更有可能，拥有导航系统。

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Stardust managers would use heaters to raise the temperature of one or more optical surfaces possibly coated with the goo.

CNN: NASA's Stardust mission develops case of blurry vision

Peter Spiertz, a police spokesman, had earlier in the day said that the federal criminal bureau had told them that "one, or possibly more, with an al Qaeda background" were staying at the hotel in the town.

CNN: suspect

Catalunia has a snap election coming up in which the major real question is whether to demand more, or even possibly total, independence from Madrid.

FORBES: Eurozone: There Might Not Be A Spanish Solution