1. 名詞
   改進, 改善
   改良
   進步, 增進
   (事的)起色
   an improvement in ...(事):
   在...方面的改進
   在...方面的改善
   在...方面的改良
   /以上可為可數與不可數名詞/
   可數名詞:
   

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   同義字詞
   advance,advancement,breakthrough,enhancement,refinement
   

例句

1. That is a pretty good improvement .
2. Improvement was gradual but steady .
3. As a result they get liquidity improvement .
4. Definitely room for improvement here, though.
5. By doing this an improvement of 1.2dB is expected.
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