这个软件有一些漏洞,所以肯定有改进的余地。
The software has some bugs, so there's definite ___room ___for ___improvement.
他的演示技巧足够,但表达方式还有改进的余地。
His presentation skills are adequate, but there is still ___room ___for ___improvement in his delivery.
在客户服务方面,总是有改进的余地。
In terms of customer service, there is always ___room ___for ___improvement.