Please select at least one channel.这句话什么意识

Please select at least one file to Please select at least one channel. please select Please select Please select at least one channel.这句话什么意识 please select User Please select a language first. Please select a valid date. Please select a valid date.Please select a valid date.-6- SELECT lea是什么意思 please select the language of the installer是什么意思 Please select which of the following best describes you, Please select a city or zipcode from the drop-down. Please select an option from the menu below:请翻译 Please select a plan from the options to the Please select your download type to start什么意思? You must select at least one joint 这句是什么意思?