suí zhe / chéng shì / fā zhǎn / jiāo tōng lì tǐ huà / chéng wéi / huǎn jiě / yōng dǔ / de / zhòng yào / shǒu duàn

随着城市发展，交通立体化成为缓解拥堵的重要手段。

With urban development, grade separation has become an important means to alleviate congestion.