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1·The countries adopting unilateral measures share the opinion that the current international tax system needs upgrading.

采取单边措施的国家都认为，现行的国际税收制度需要升级。

2·AT&T plans to spend $18 billion in 2010 upgrading its wireless networks to handle the increasing amount of new traffic.

AT&T 计划在2010年花费180亿美元升级其无线网络，以应对不断增长的新通信量。

3·His home city of Sacramento, California should see the technology's first test as part of the upgrading of its rail yard.

他的家乡加利福尼亚州萨克拉门托市应该将这项技术的首次测试视为其铁路站场升级的一部分。

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

很多人不断将手机升级到最高档的款式。《牛津词典》

5·Here, we open the door toward the future by upgrading industries.

在这里，我们升级产业，打开未来之门。

6·The current international tax system needs upgrading.

当前的国际税收体系需要改进。

7·Upgrading is harder than expanding.

升级比扩张要困难的多。

8·Upgrading to a new version using RPM.

使用RPM升级到一个新版本。

9·Upgrading software using RPM is a snap.

使用RPM升级软件很简单。

10·They are upgrading the ventilation room.

他们正在升级通风间。

(1)updating and upgrading (of products)（产品的）升级换代

(1)upgrading and updating升级换代