如果你感觉不错，就多运动一会儿或加快速度。

If you feel good, go a little longer or faster.

youdao

这样做从开发速度上说感觉好像不错，但却只是一个幻象；因为它将有风险和消耗实践的编码工作推到了最后——包括合并、集成与测试等工作。

It gives a nice feeling of speed but can be an illusion since it pushes the risky and time consuming bits to the end - merging and integrating and testing.

youdao

当然，有些变化的因素，诸如知道的因素(专业装袋工)和不知道的因素(结账方式，优惠券，香烟)会影响速度，但是这是一个不错的基础准则。

Of course, other variables, both known (dedicated bagger) and unknown (payment type, coupons, cigarettes) affect on the speed of the line, but this is a good rule of thumb to use as a baseline.

youdao