英语语法分析

Want to make something non-billable, but still tracked?

想记录、追踪一些非账单的事务？

But billable hours explain only part of the run-up in costs.

但是收费时段只是费用节节攀高的部分原因所在。

Billable hours have been the standard way of doing things since the 1970s.

从上世纪七十年代起，以小时计费的模式就已成为行业计费标准。