However, various models make researchers more difficult to choose and construct a research model.

然而众多的理论模式却令研究者面临研究模式选择与建构上的困难。

youdao

However, various models make researchers more difficult to choose and construct a research model.

然而众多的理论模式却令研究者面临研究模式选择与建构上的困难。

youdao