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In Australia, where people spend a lot of time at the beach, the government has realised that it must prevent sharks from swimming near its beaches.
在澳洲，人們會經常去海灘，所以政府意識到應該防止鯊魚游到海灘附近。
As a result, they've introduced a beach-netting program.
結果，他們引進了沙灘網計劃。
Beach-netting, or meshing, involves setting large nets parallel to the shore;
沙灘網或者建網是設置一張與海岸平行的大網。
this means that the nets on New South Wales beaches are set on one day, and then lifted and taken out to sea on the next day.
這意味著新南威爾士的海灘在一天建網，在第二天收網。
When shark-netting first began in 1939, only the Sydney metropolitan beaches were meshed
捕鯊網初次于1939年建立，只在悉尼都市的海灘建網，
these beaches were chosen because beaches near the city are usually the most crowded with swimmers.
因為這些海灘靠近城市，通常是游泳者最多的地方。
Ten years later, in 1949, systematic meshing was extended to include the beaches to the south of Sydney.
10年后，在1949年，建網系統擴展到了悉尼南部的海灘。
As a result of the general success of the program in Sydney, shark-meshing was introduced to the state of Queensland around 1970.
由于該工程在悉尼取得了普遍的成功，捕鯊網在1970年左右被引進到昆士蘭州。
The New Zealand authorities also looked at it, but considered meshing uneconomical - as did Tahiti in the Pacific.
新西蘭官方也看好它，但是認為建網不賺錢。太平洋的大溪地島也是同樣的看法。
