如果太忙，就把锻炼时间减半，起码可以保持锻炼的好习惯。

Even if you are so busy that you have to cut your workout time in half, continuing to work out keeps you in the exercise habit.

youdao

您可以使用持久性框架，但即使这种框架能够把时间减半，仍然还需要四个月的时间。

You might use a persistence framework, but even if such a framework cut the time in half you would still need four months.

youdao

如果希望避免反射，并使调用时间减半，开发人员可以使用define-rdnzl-call来为相应函数创建一个Lisp包装器。

To avoid reflection, and cut the call time in half, developers can use define-rdnzl-call to create a Lisp wrapper around the call.

youdao