1、从理论上看
... in short总之， in theory从理论上看， in trouble有麻烦， ...
2、从理论上说
... in the dark 不知道，蒙在鼓里 in the long run 从长远来看 in theory 从理论上说 ...
3、从理论上来说
... in particular 尤其；特别 in theory 理论上；从理论上来说 in practice 实际上；在实践中 ...
in situ theory原地生成说;原地生长说
MA in Political Theory政治学;政策理论
decline in inhibition theory抑制衰退理论
Topics in number theory数论专题
In Tcm Theory中医理论认为
Knowledge in marketing theory市场营销理论
Surveys in number theory数论
In Curriculum Theory在课程论领域