If in doubt, the substitute for knowledge and experience is access to the services of an expert.

如果有疑问，除了自己的知识和经验以外，也可以寻求专家的服务。

youdao

If in doubt, the substitute for knowledge and experience is access to the services of an expert.

如果有疑问，除了自己的知识和经验以外，也可以寻求专家的服务。

youdao