Sentence examples for a key difference is that from inspiring English sources

A key difference is that in Verhoogen (2008) there is no substitutability between workers with different skills as the firm raises output quality.

Yet a key difference is that, in 1987, Taiwan had a strongman whose power, with his health, was failing.

Of course, a key difference is that those who are pure investors get certain deductions denied to homeowners.

A key difference is that CO2 was not as high as today, but insolation forcing was much higher.

But a key difference is that the established political parties and the larger part of the population take a far less hysterical approach.

Although controllers and skeptics share several characteristics, a key difference is that controllers need ample time to make decisions (they hate to be rushed).

A key difference was that Honduras is in Central America, "our backyard," so different rules applied.

"A key difference was that Chamberlain was mentally healthy (which we'll discuss more in Chapter 14), while Churchill was clearly not".

A key difference being that, while Sinead's iconic shaved head was an assertion against traditional gender stereotypes, Miley's 'most modern version' is the opposite, conforming to pop culture's prioritising of overtly sexualised behaviour.

In any case, a key difference was that London investments in continental bills, according to (4), were subject to exchange-rate risk, whereas continental banks could cover this by a suitable long-bill transaction (see (3)).

Now, we govern ourselves with former sworn enemies, who used to violently threaten each other while sitting in a legislative assembly together, not unlike a typical U.S. statehouse -- a key difference being that we have imagined democracy as best expressed in consensus and compromise, rather than one community dominating another.