It is easier to think in concrete terms rather than in the abstract.

结合具体的事物来思考要比抽象思考容易些。

《牛津词典》

youdao

youdao

He is standing in front of a bold and colorful painting similar to those created by the abstract-expressionist artist Jackson Pollock.

VOA: special.2010.09.20

So the question then comes is given that, do you have the courage to examine who you are, do you have the courage to try to cultivate the capacity to love, not just with them in the abstract, but other human beings, not just your family, but what I call "spill-over love".

因此，问题就是，你有没有勇气去审视你到底是谁？,你有没有勇气去培养自己去爱的能力，不仅仅是抽象的爱，不仅仅是爱家人，而是爱其他所有人，这就是我所说的“满溢的爱”

普林斯顿公开课 - 人性课程节选

Oftentimes, inventions that seem, in the abstract, to be good ideas may be impossible because something that you have to do to make it actually come into practice is too expensive and so it's not economic to produce the invention.

通常在理论上,创新固然不错,但却很难实现,因为把创意变成现实,花费会相当的昂贵,实现这样的创意非常不合算

耶鲁公开课 - 金融市场课程节选

You gave me no figures in your question so I'll answer in the abstract.

BBC: Fergus Muirhead

Like many civilians, for me the military and military life exist in the abstract.

FORBES: Bridging Military and Civilian Understanding: What Petraeus Taught Us

Beyond that, QE and related policies were not created in the abstract but for certain specific historic reasons.

FORBES: American Political Economy Alters English Language