To do so, I divided the
book into two parts. In part one, I describe the philosophical foundations of
digital minimalism, starting with an examination of the forces that are making
so many people’s digital lives increasingly intolerable, before moving on to a
detailed discussion of the digital minimalism philosophy.
上面的句子摘自2023高考英语新全国卷1阅读理解C的第2段。
请问:part one, part two等表达可以小写首字吗?又如 lesson one, lesson two, book one, book two 等也可以小写首字母吗?