begin by的用法和樣例：
例句
- Let's begin by look at the general plan of this project.
我們來著手看看這項工程總的計劃吧。 - Let's begin by reviewing the last lesson.
我們開始，先溫習上一課。 - Children begin by loving their parents, as they grow older they judge them, sometimes they forgive them.
孩子們始則愛其雙親，長大之後則批評雙親，以至於對他們抱一種寬恕的態度。
