| 单词 | upgrade a system |
| 释义 | upgrade a system The trouble was caused - you'll be amazed to learn, because this has never happened before in the history of computers - by an attempt to upgrade the system. Times, Sunday Times Roads are generally poor, although several projects are planned to upgrade the system. Retrieved from Wikipedia CC BY-SA 3.0 During her time in office she also tried to upgrade the system of garbage collection in the city as to lessen the chance of a cholera outbreak. Retrieved from Wikipedia CC BY-SA 3.0 The service providers share capacity and support resources across a community of users, taking care of managing and upgrading the system and achieving economies of scale for all. Times, Sunday Times She said upgrading the system could cost about $160 million. Houston Chronicle |
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