1. Epistemically, we cannot be certain about the existence of extraterrestrial life.
從認(rèn)知上來說,我們無法確定外星生命的存在。
2. The scientist approached the problem epistemically, using empirical evidence to support his theories.
科學(xué)家從認(rèn)識論的角度來解決問題,利用經(jīng)驗(yàn)證據(jù)支持他的理論。