The difference between Class E and A airspace is that in Class A, all operations are IFR, and pilots must be instrument-rated, that is, skilled and licensed in aircraft instrumentation.

E 级和 A 级空域的区别在于，在 A 级空域，所有操作都需遵照仪表飞行规则，飞行员必须要有仪表等级，也就是说，要有操作航空仪表方面的技术和执照。

youdao

The biggest difference between me as a coach and a player is that I am prepared for the fact that players may be injured.

我作为教练和球员的最大不同是，我对于球员可能受伤的事实早有准备。

youdao

That means a higher proportion of what is in the sea is being caught, so the real difference between present and past is likely to be worse than the one recorded by changes in catch sizes.

这意味着更多的海洋生物正在被捕捞，所以现在和过去之间的真正差异可能比捕捞量变化所记录的更糟糕。

youdao

But Ritz, who has both undergone and conducted SERE training, says there is a great degree of difference between training and actual interrogations, where harsh techniques may be combined and carried out for longer periods.

VOA: standard.2009.04.17

Now be honest, how many of you in a blind taste test can taste the difference between ordinary Coke and ordinary Pepsi?

老老实实,你们谁能在不知道的情况下尝出,可口可乐和百事可乐的不同

耶鲁公开课 - 博弈论课程节选

This will be important to try and understand the French revolution, La Revolution francaise, that there's a difference between absolutism and despotism.

这个观点对于尝试理解法国大革命很重要,绝对主义和专制主义是有区别的

耶鲁公开课 - 欧洲文明课程节选

There can be a vast and often unbridgeable difference between the qualities of a successful CEO and those of an equally successful chief operating officer.

FORBES: The Risks Of CEO Succession

For anyone who finds SurePress as distracting and unnecessary as we do, that omission alone could be the difference between buying a Storm2 and a Tour when you walk into the Verizon store.

ENGADGET: BlackBerry Storm2 hands-on and impressions Hands-on

And there may be a difference here between Senator Clinton and myself in terms of the four structures that we would leave behind.

CNN: Transcript of Thursday's Democratic presidential debate