Patients monitor themselves daily and call a toll-free telephone line to answer some simple questions about weight gain, swelling and breathing difficulties.
患者每天自行监测，可拨打免费电话就简单问题咨询，如体重增加，水肿和呼吸困难。
A local telephone service provider typically provides and bills for regional toll calls.
本地电话服务供应商会专门提供长途业务并收费。
A telephone scam in which a company sets up a toll number that is one digit different than a popular number, so that the company earns money when customers accidentally mis-dial the legitimate number.
指这样一种电话欺诈行为：一家公司设置一个收费电话号码，该号码与一个广受用户欢迎的号码仅有一个数字不相同。这样一来，在用户不小心把正确的号码拨错时，该公司便赚到了钱。
Personal use of the telephone for long-distance and toll calls is not permitted.
个人使用的电话，长途电话和长途电话是不允许的。
Installation and commissioning of goods within 10 days of toll-free telephone return, after a return visit once a month phone.
货物安装调试后10天内免费电话回访，以后每月电话回访一次。
Installation and commissioning of goods within 10 days of toll-free telephone return, after a return visit once a month phone.
货物安装调试后10天内免费电话回访，以后每月电话回访一次。
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