她被众多的困难压垮了。
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。
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。
However, various models make researchers more difficult to choose and construct a research model.
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