我们将在稍后介绍为什么转换和验证会在这些阶段出现，但是首先让我们澄清一个更基本的问题：转换是什么？

We'll explain in a minute why conversion and validation happen at these phases, but first let's clear up a more basic question: What is conversion?

youdao

我们将在稍后介绍为什么转换和验证会在这些阶段出现，但是首先让我们澄清一个更基本的问题：转换是什么？

We'll explain in a minute why conversion and validation happen at these phases, but first let's clear up a more basic question: What is conversion?

youdao