My own interests gradually shifted from the pure theory of social choice to more "practical" problems.

本人研究方向从社会选择纯理论逐渐转向更为实际的诸多问题。

youdao

In the choice of imitation marble lines, but also deal with the line surface is smooth, edges have no defect, no cracks, scratches, or trachoma, whether pure color screen areas.

在选择仿大理石线条时，还应对线条表面是否平整，棱角有无缺陷，有无裂纹、划痕，有无砂眼，色调是否纯正等方面进行筛选。

youdao

In the literary style choice, the reporter writers choose the literature styles which are the ordinary populace can accept, does not choose the pure literature pathway.

在文体选择上，报人作家选择的是普通大众所能接受的文学样式，不走纯文学的路子。

youdao