From the beginning, your instruction in this series of lessons will be on object-based concepts.

从现在开始这一系类课程将教导基于对象的概念。

youdao

One of the most important lessons to learn when transitioning to the Python programming language from another language is that everything in Python is an object.

从其他语言过渡到 Python 编程语言时需要学习的最重要的课程之一是，Python 中的每样东西都是对象。

youdao

Taking the lessons learned with static crosscutting the Email object, the team further refines its strategy by moving the contractual behavior up the hierarchy into the Sendable base interface.

从静态横切民email对象中吸取教训之后，他们通过把契约行为在对象层次中提升到sendable基接口，从而进一步精炼了其策略。

youdao