很多人不断将手机升级到最高档的款式。

Many people are upgrading their mobiles to top-end models.

《牛津词典》

尽管所有的可靠性升级，在70迈的大风中，树木可不会光摇摆，而是直接砸到电杆和线路上。

Despite all the reliability upgrades, with 70-mile winds, the trees will not just sway but come down on poles and wires.

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升级到 30 美元的专业账户，你就可以无限制地存储共享照片。

Move up to the $30 pro account and you get unlimited storage space for your shared photos.

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