In 1944, Congress passed a bill to upgrade the system, but did not fund the plan right away.

1944年，国会通过了一项升级系统的法案，但没有立即为该计划提供资金。

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There's less pressure on the airlines to upgrade the interior, unless it's a safety issue or a redesign that will save money.

航空公司内部升级的压力比较小，除非是为了安全问题或省钱而重新设计。

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She says it also will pay for shelter for homeless families, clean water and training to upgrade skills for people without jobs.

VOA: standard.2009.09.13

We're going to upgrade interdiction. We're going to upgrade our efforts to go after the main drug traffickers.

VOA: standard.2009.06.15

"To get back to the 1998 level of production, Venezuela would need to invest for the next 10 years to upgrade its petroleum operations.

VOA: standard.2010.08.06

Kazakh officials claim that AES has not always lived up to its contractual obligations to upgrade plants.

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To upgrade, customers should call 1-800-DIRECTV no earlier than three weeks before their market's confirmed launch date.

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And NTT DoCoMo spent billions to upgrade its infrastructure to handle the high-speed wireless connections.

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