Zhè / liǎng / jiā / gōng / sī / chún / chǐ / xiāng / yī / rèn / hé / yì / fāng / yù / dào / kùn / nán / dōu / huì / yǐng / xiǎng / lìng / yí / fāng

这两家公司唇齿相依，任何一方遇到困难都会影响另一方。

These two companies are closely interdependent, so difficulties for either one will affect the other.