Durability issues. Mio customer service difficult to reach.

持续性问题。售后服务很难联系到。

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Thanks to clunky user interfaces, durability issues and limited utility, the tablet has been filed away as a niche device again and again.

由于笨拙的用户界面，耐用性以及有限的功能，平板电脑不断地被归类于市场份额有限的产品。

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Most auto makers are aiming to build powerful lithium-ion batteries to power their planned electric vehicles, but safety and durability issues remain.

大多数制造商都计划研制强力锂电池来为他们设计中的电动汽车提供动力，但是电池寿命与安全问题一直存在。

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Durability issues have been a problem with fuel cells in the past.

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We believe the new Toughbook C1 addresses all these issues, while offering the additional benefits of excellent performance and durability.

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