例句：
He undertook to edit the text himself.
他承诺亲自编辑正文。
He undertook to finish the job by Friday.
他答应星期五或之前完成这一工作。
They undertook a fact-finding mission in the region.
他们承担了在该地区核查事实的工作。
It's certainly the most complex project I've ever undertaken.
这无疑是我经历过的最复杂的项目。
We will strictly control the number of new projects undertaken.
从严控制新开工项目。
Other scientific studies have undertaken similar investigations.
其他类似的研究也在进行中。
Making the house habitable was a major undertaking.
把这房子收拾得可以住人是个大工程。
Organizing the show has been a massive undertaking.
组织这场演出是一项巨大的任务。
He is interested in buying the club as a commercial undertaking.
他有意购买那个俱乐部作为投资。