Suǒ / xù / ěr / de / lǐ / lùn / duì / xiàn / dài / yǔ / yán / xué / de / fā / zhǎn / chǎn / shēng / le / shēn / yuǎn / yǐng / xiǎng索绪尔的理论对现代语言学的发展产生了深远影响。Saussure's theories had a profound influence on the development of modern linguistics.