有一台样机陈列出来供参观者提出改进意见。
The sample machine is exhibited for visitors to make Suggestions for improvement.
如果您能对我们的工作提出改进意见，我们将非常感激。
We shall be much obliged if you are so kind as to make Suggestions for improvement of our work.
主管人员定期与员工开会总结工作表现，并提出改进意见。
Supervisory personnel meet periodically with employees to review job performance and Suggestions for improvement.
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