1. the time and date an ad is to be shown. 2.the time slot that the company is billed for. 3. the time a cell phone call takes that is used to bill the customer.
法律词典收录了41026条英汉双解法律词条，基本涵盖了常用法律英语单词及短语词组的翻译及用法，是法律学习的有利工具。