5 yuan to avoid 200 text messages in the internet. What does this business mean?

5 yuan can send 200 short messages in the network, which means that 5 yuan packs 200 short messages, and if more than 200 short messages are sent, they will be charged according to the normal tariff.

If you change it to m value, then this 5 yuan will not be deducted from your principal. (It is possible to change the M value into the telephone bill first, and then reflect it in the form of telephone bill deduction. )