liǎng / jiā / gōngsī / jī / bù / xiāng / néng / chángqī / yǐlái / hěn / nán / zài / xiàngmù / shàng / dáchéng / gòngshí

两家公司积不相能，长期以来很难在项目上达成共识。

The two companies have always been at loggerheads, making it difficult for them to reach consensus on projects over the years.