which the contractor should retain

which the contractor should retain on behalf of the owner and be responsible for gathering and delivering to the owner without making any copies for itself.

Results (Chinese) 1:

其中，承建商应代表所有者保留并负责收集和提供给所有者不为自己制作的任何副本的情况下。

Results (Chinese) 2:

该承建商应保留代表所有者，并负责收集和提供给业主，而不进行任何拷贝本身。

Results (Chinese) 3:

承包商应保留其业主的代表，负责收集和提供给业主没有本身作任何拷贝。