toll free

基本解释

For applications that drive business, a toll free number is essential as this brings in the revenue.
在一些商用的应用程序里，提供一个免费的服务热心是必须的，因为这同时为你带来收入。
Every entrance ticket lists a toll free number for counseling from the Indiana Department of Mental Health.
每张入场券上都印有印第安纳心理健康中心的免费咨询电话号码。
We called a line with a test tone and started covering up the phone (note, we cannot be sure this line is toll free, but we risked it).
我们用测试语气拨打了一个号码然后开始覆盖住手机（PS：我们不确定那个电话是免费的，但是我们还是冒险了）。

When the program launches in the Philippines in a few weeks, a farmer can call a toll-free number and hear a recording in his or her language that sounds something like this.

When customers call your toll free subscription numbers, there is nothing worse than not picking up.
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WebPass can enable new business models for operators, such as toll free data, ad-supported data, and more.
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You can call toll free 1-877-ASK-FDIC or search the Bank Find database.
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