贝克邀请罗恩·杰弗里斯的项目，帮助制定和完善这些方法。

Beck invited Ron Jeffries to the project to help develop and refine these methods.

youdao

贝克邀请罗恩·杰弗里斯的项目，帮助制定和完善这些方法。

Beck invited Ron Jeffries to the project to help develop and refine these methods.

youdao