Ask the miners rescued in Chile how difficult it is to raise productivity.
问下那些获救的智利矿工就知道提高铜矿的生产率有多难。
"We very much wanted to raise awareness about how these new trawl technologies can protect the marine environment and improve fisheries productivity," says Turner.
Turner说：“我们希望使人们更加了解这些新拖网技术如何保护海洋环境和提高渔业生产率”。
The know-how acquired shall be able to raise productivity.
购买的专有技术能提高生产率。
The know-how acquired shall be able to raise productivity.
购买的专有技术能提高生产率。
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