The late Russian sinologist P.A. Boodberg once likened sinologists who do not know the Chinese language to casual explorers who hire native porters to carry their bags.
已故俄裔漢學家卜弼德（P．A．Boodberg）曾經批評某些不諳中文的「中國專家」，像是衣履光鮮的叢林探險家，興致來時，雇幾個土著（中國助手）馱行李、斬荊棘，然後愜意享受原始叢林的神秘樂趣。