Software also lacks a well defined atomic unit of work — even though we can apply various measures, such as lines-of-code, number of classes, number of function points, number of bugs, etc.

即便我们可以采用不同的测量方式，例如代码行数、类的数量、函数指针的数量、系统漏洞的数量，等等，软件还是缺乏一种定义良好的原子结构。

youdao

But that function doesn't automatically bring up each turn sequentially, and it lacks voice prompts.

但是，这个功能并不会按照顺序自动提示用户路口转弯，而且也缺乏语音提示。

youdao

Although Meschach has a function that fills a matrix with 1.0s, it unfortunately lacks a function for filling a matrix with an arbitrary double or with random doubles.

虽然Meschach有一个用1.0填充矩阵的函数，但不幸的是，它没有用一个任意的双精度数填充矩阵的函数，也没有用随机双精度数填充矩阵的函数。

youdao

It's worth noting that Amazon's PDF reader lacks a zoom function which makes many PDFs entirely unreadable on the device.

ENGADGET: Kindle 2.3 software update available, generation 1 owners need not apply

Google's Gmail currently lacks a calendar function, and some believe the firm would like to add one - albeit perhaps a limited version that could serve home users well without meeting the requirements of corporate users, thus avoiding a head-on challenge to Microsoft's business model.

BBC: Analysis

The Irex also lacks a Home button, a note-taking function, any way to highlight text and a built-in dictionary.

WSJ: A Review of the Irex E-reader