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1.We need to improve our skills in order to succeed in this project.
我们需要提高我们的技能以便在这个项目中取得成功。
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2. The company has been improving its efficiency over the past year.
该公司过去一年一直在提高其效率。
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3. The improvement time for the new software is now available.
新软件的改进时间现已可用。