troubleshooting
noun [ U ] uk/ˈtrʌb.əlˌʃuː.tɪŋ/ /ˈtrʌb.əlˌʃuː.t̬ɪŋ/
处理难题；调解；检修
discovering why something does not work effectively and making suggestions about how to improve it
The instruction manual includes a section on troubleshooting to help you with any simple problems you might have with the TV. 产品说明书中包括“排忧解难”这一节，旨在帮助你解决使用电视机时可能遇到的简单问题。