"Every precaution has been taken against international and local terror threats for the 2010 FIFA World Cup."

VOA: standard.2010.06.02

Actually you can look down as well as an added precaution.

事实上你们可以俯视,作为一个预防措施。

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Federal health minister,Nicola Roxon, says forcing the vessel to cancel a planned 10-day trip around the Great Barrier Reef is a necessary precaution.

VOA: standard.2009.05.30

He says it is an all-out shutdown. Regularly scheduled tours of South Korea's side of the heavily armed inter-Korean border were abruptly curtailed Thursday after the North's announcement came out, as a safety precaution.

VOA: standard.2010.05.27