He explained scientifically the most important questions of political economy.

他学阐述了政治经济学中的一些的问题。

The theory is not yet scientifically established.

这个理论尚未被学证实。

I'm not scientifically minded.

我不具备学头脑。

By recalling the old monition on present, we could scientifically identify the relationship between righteousness and benefits and combine them effectively.

“义利之辨”的实质是价值取向的问题，今天我们反思古训的教益，以利于学定位义利关系，把义和利有机结合起来。