miàn / duì / miàn / jiāo / liú / tōng / cháng / bǐ / fā / yóu / jiàn / gèng / shì / hé / kǒu / yǔ / gōu / tōng面对面交流通常比发邮件更适合口语沟通。Face-to-face interaction is usually better suited to oral communication than email.