还有改进的余地 meaning in Chinese

there is still room for improvement

There ' s room for improvement in your work
你的工作还有改进的余地。
There is room for improvement in your work , it is not as good as it could be
这句话的意思是"你的工作还有改进的余地" ，看来你可得卖力气地干活了！
However , it is not possible to optimize a hardware context switch , while there might be room for improving the current switching code
然而，尽管当前的切换代码还有改进的余地，却不能对硬件文境切换进行优化。