?承包

... by comparison (with)与…比较起来；通过比较 by contract承包 by contraries与预期的相反；与逻辑相违背；相反地 ...

?根据合同

根据合同(by contract), 此释义来源于网络辞典。

[法]?按合同

... 按法律规定 provided by law 按合同 by contract 按合约 on agreement ...