1to place on a par with
2to discuss two disparate things together (idiom); to mention on equal terms
3(often with negatives: impossible to mention X in the same breath as Y)
Example
guǎn lǐ管理yì一jiān间gōng sī公司hé和yōng yǒu拥有yì一jiān间gōng sī公司shì是bù不néng能xiāng tí bìng lùn相提并论de的liǎng两huí回shì事。
管理一间公司和拥有一间公司是不能相提并论的两回事。
Management of a company is different from ownership of a company.