| upgrade system | 6.65 | Upgrading the system would be very costly. | ||
| upgrade facility | 5.66 | ...upgraded catering facilities. | ||
| upgrade equipment | 3.75 | Does it still make sense to upgrade old equipment? | ||
| upgrade network | 3.29 | More capacity will be added later this year when Sprint upgrades its network. | ||
| upgrade skill | 3.29 | A critical task is to upgrade the skills of people in work. | ||
| upgrade technology | 2.90 | Technology has been upgraded. | ||
| upgrade service | 2.70 | How could we upgrade customer service? | ||
| upgrade security | 2.57 | Clinton outlined a seven-month timetable for upgrading security. | ||
| upgrade relation | 2.50 | Since then, Taiwan has upgraded relations with North Korea. | ||
| upgrade quality | 2.11 | This is essential to upgrading quality. | ||
| upgrade condition | 1.91 | Their condition was upgraded from serious to fair. | ||
| upgrade plant | 1.84 | It plans to upgrade plants in China. | ||
| upgrade software | 1.78 | But Deciding when to upgrade software is more tricky. | ||
| upgrade computer | 1.71 | I have upgraded my computer several times. | ||
| upgrade charge | 1.65 | Those charges were upgraded to murder Monday, Solomon said. | ||
| upgrade tie | 1.51 | Two countries upgrade military ties. | ||
| upgrade status | 1.38 | It has also upgraded the status of antiques. | ||
| upgrade rating | 1.32 | A year later, Miller upgraded the rating to two stars. | ||
| upgrade infrastructure | 1.25 | Privatization could hold the key to upgrading the infrastructure. | ||
| upgrade stock | 1.05 | Several analysts also upgraded the stock. |