1.  maintain
2.  hold
3.  keep

• 1. 维持: Maintain | keep up | sustain
• 2. 维持转售价格: Resale price maintenance
• 3. 维持生计: bring home the bacon | earn one'S keep | make a living

更多释义

• 1.哪些行星可以维持生命的存在？
  Which planets can sustain life?
  dict.yoduao.com
• 2.军队被调进首都维持治安。
  The army has been sent in to maintain order in the capital.
  dict.yoduao.com
• 3.政府努力维持治安。
  The government struggled to maintain law and order.
  dict.yoduao.com

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