You might expect that the student who had undertaken the most exhausted search would be the most satisfied with their final decision, but it turns out that's not true.
出自-2011年6月聽力原文
柯林斯高階英漢雙解學習詞典釋義
VERB
著手做;從事;承擔
When you undertake a task or job, you start doing it and accept responsibility for it.