两者缺一不可英语

both are essential

Not a single one can be omitted.None can be dispensed with.None is dispensable.All of these are necessary.

1、Work output and quality are equally important, the two complement each other, are indispensable. We have spent a lot of time and resources to work, that is, in order to have the outputs and outcomes. But only a large number of outputs is not enough, they also should be high quality and useful.2、Improve efficiency, expand output, we must also guarantee the quality of work; in ensuring on time, according to the volume of work done at the same time, improve the quality of work.

Not a single one can be omitted或者None is dispensable.

Both are indispensable.