一般而言

In general the goal will only be attained after investigation of a hierarchy of subgoals.

一般而言,仅在询问了子目标系统后,才能达到目标。

The HTML string is different from the traditional selectors in that it creates the DOM elements representing that HTML string, on the fly, to be (assumedly) inserted into the document later.

这个HTML字符串不同于用来表示那些HTML字符串、并据以查询相应DOM元的选择符，一般而言，随后都会把这个HTML代码串插入到文档中去。