There is always a fixed initial cost associated with planning and running a test: it is better to depreciate this start-up cost across the findings from multiple users.

初始的运行成本和测试计划相关，多个用户对于降低最初的成本效果更好。

youdao

There is always a fixed initial cost associated with planning and running a test: it is better to depreciate this start-up cost across the findings from multiple users.

初始的运行成本和测试计划相关，多个用户对于降低最初的成本效果更好。

youdao