传统的化学合成无法区别左右手螺旋，需要在合成后单独进行枯燥的分离。

Traditional chemical synthesis cannot distinguish between left - and right-handed versions, so they have to be separated afterwards, which is tedious.

youdao

实际上，除了规模大小有区别外，面向对象语言中对象之间的关注点分离与模块化的概念基本一致。

In fact, the kind of separation of concerns between objects in an OO language is much the same concept as for modules, except on a larger scale.

youdao

XPath 和 XSLT 之间的任务分离并不新奇，但因为没有其他语言是基于 XPath 的，因此在 XQuery 出现以前，二者主要是理论区别。

The separation of task between XPath and XSLT is not new but, since no other languages were based on XPath, it was mostly an academic distinction -- until the arrival of XQuery.

youdao