Because of the higher level of abstraction it provides, SQL, unlike procedural languages, lets programmers focus on what data they need, not how to retrieve it.

由于SQL与过程化语言不同，它提供了更高的抽象级别，因此它可以让程序员把精力集中到他们需要什么样的数据，而不是如何检索数据。

youdao

The effort required to define the work depends on the amount of information and the level of detail that need to be understood and documented.

需要花费在定义项目工作上的精力取决于需要让项目相关人员理解和文档化的信息量的多少。

youdao

To leverage the reuse benefits of SOA, service consumers and providers need to agree on an adequate level of testing of the providers and need to ensure that the testing is performed as agreed.

为了利用SOA的重用好处，服务使用者和提供者需要就提供者合理的测试级别达成一致，并需要确保测试按照双方达成的协议执行。

youdao

Higher health spending obviously puts pressure on the overall level of public spending, but need not blow a hole in the public finances.

ECONOMIST: Can Tony Blair spend his way out of trouble on health?

Mr Miliband said the government was wrong to focus on total expenditure in Europe rather than where the money was spent since the constituent parts of the EU budget - particularly the level of spending on agriculture - were in "desperate need" of reform.

BBC: Labour 'repositioning' itself on Europe - David Miliband

Certainly, Republicans and Democrats disagree vociferously about the manner in which we should cut Medicare. (They also play up their differences on the issue in an effort to stick each other with the political blame for Medicare cuts.) But there is a remarkable level of bipartisan agreement on the need to cut Medicare somehow.

FORBES: On Medicare, the American Public Is Dangerously Out of Touch with Reality