翻译下面的句子？
中国作为一个发展中的沿海大国,国民经济要持续发展,必须把海洋的开发和保护 作为一项长期的战略
As a large developing coastal country, China must take the development and protection of the oceans as a long-term strategy if the national economy is to continue to develop
翻译：
As a developing coastal country and to keep its national economic development , China must take ocean exploitation and protection as a long-term strategy.
中国作为一个发展中的沿海大国,国民经济要持续发展,必须把海洋的开发和保护 作为一项长期的战略
As a large developing coastal country, China must take the development and protection of the ocean as a long-term strategy in order to achieve sustainable national economic development
重点词汇
沿海 along the coast ; coastal ; littoral ; inshore
大国 power ; leading powers ; great power
国民经济 national economy
持续发展 sustainable development ; Sustainability ; sustained development
必须 must ; have to ; be obliged to ; necessary
海洋 seas and oceans ; ocean ; blue
开发 develop ; open up ; exploit ; developing
保护 protect ; defend ; guard ; safeguard
长期 over a long period of time ; long-term ; long range ; secular
战略 strategy
中译英：As a large developing coastal country, China must consider the ocean development and protection as a long-term strategy as long as its national economy constantly develops.
或者： So long as the national economy continues to dvelop, China, as a large developing coastal state, must consider the marine development and protection as a long-term strategy.
或者：China, as a large developing coastal country, must consider the ocean development and protection to be a long-term strategy as long as its national economy continually develops.
上面的这一段文字给它翻译成英文之后，如下：
As a large developing country with a long coastline, China must take marine development and protection as a long-term strategy if it is to achieve sustainable development of its national economy
