漫游贵不是因为运营商成本高。
要点
- 家庭运营商：大利润率。
- 外国运营商：自己的利润率。
- 双边协议不透明。
- 囚徒模式：处于压力下。
结论
eSIM解决方案：便宜70-90%，价格透明。
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