These initial successes, however, do not mean that electronic-tolling schemes will take the world by storm. One barrier is common standards.
最初的成功并不意味着电子收费计划将席卷全球，一个最大的障碍是通用标准。
These initial successes, however, do not mean that electronic-tolling schemes will take the world by storm. One barrier is common standards.
最初的成功并不意味着电子收费计划将席卷全球，一个最大的障碍是通用标准。
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