１．在手机上设置５０秒提示 手机通话时间是以分为单位，不足一分按一分收费。利用大多数手机可设置每５０秒发出提示音的功能，通话时可掌握时间，还有助于渐渐养成说话简捷的习惯。t２．按时缴纳话费 话费如超过缴纳期限，电信部门收取的滞纳金是非常惊人的。通常 1. Set 50 seconds on the phone prompts the phone call time is divided into units, less than a minute by a fee. With most phones, you can set the tone to beep every 50 seconds, keep track of the time, and help develop a habit of speaking easily. t2. If you pay the bill on time If the bill is over the payment deadline, the late fee charged by the telecommunications department is very alarming. usually