Why does MSDN have the full interface list but the real source code does not?

为什么虽然源代码没有显式声明所有接口，但是MSDN还是把所有的接口都列出来了呢？

youdao

Your inner spiritual conflict was the real source of your inability to find the right relationship.

你无法找到合适伴侣的真正源头是你内在的精神冲突。

youdao

That they were allowed to get away with such adventures for so long should be the mutual sector’s real source of embarrassment.

他们被允许参与这类离经叛道的冒险行为如此之久，这或许才是互助银行部门真正的尴尬之源。

youdao

Building real world educational source ware And communications technologies And applying them with actual learners.

建立真实世界的教育资源软件,和通讯技术,并应用到学习者身上。

麻省理工公开课 - 媒体、教育、市场课程节选

That means higher electric and gasoline bills for consumers, who are, ultimately, the real source of atmospheric pollution.

FORBES: Pelosinomics

But the real source of his success is his analytical mind and the disciplined way he solves problems.

FORBES: Unlocking Your Success Equation

But while it lasted, work was a wellspring, a real source of light, the nurture of a beloved community.

NPR: Excerpt: 'Then We Came to the End'