英语翻译the user name and serial number fields are required for

英语翻译the user name and serial number fields are required for please enter information in the required fields：serial please fill the required fields (name,email). The fields in bold are required. all fields are required是什么意思 ERROR OOCE Machine TYPE and serial number are invalid update 英语翻译Work samples are required for the writing courses only; 英语翻译Good morning,the following name and number of telephone All fields are required这是什么意思 some of required fields are empty 英语翻译We are unable to locate warranty information for serial 英语翻译1,THE NUMBER AND DATE OF THE OREDIT AND THE NAME OF OUR