free navigation造句怎么写

Japan has long been one of the main beneficiaries of free navigation in surrounding waters including the South China Sea, and therefore knows clearly about the actual situation in relevant waters.

The Council also affirmed the need to guarantee free navigation through international waterways.

Google's free navigation feature announcement dealt a crushing blow to the GPS stocks.

Do you risk flying naked without free navigation or do you suck it up and swallow the above average royalty fee for each and every handset?