Somewhere in the twilight zone the evidential force of the principle must be recognized.在边缘地区,这个原理的证据力必须得到验证....

adj.证据的，可作证据的，提供证据的...

evidential的音标：evidential的英式发音音标为：[ˌevɪ'denʃl]evidential的美式发音音标为：[ˌevɪ'denʃl]...