The good news (or bad news, depending on your point of view) is that this little introduction to regression barely scratches the surface, and that scratch is really even barely noticeable.

好的消息是(也可能是坏消息，取决于您自己的看法)上述对回归模型的简单介绍只触及了一些皮毛，这种触及甚至都不会被真正地注意到。

youdao

Needless to say, ZeroMQ is an ambitious project, and this short introduction only scratches the surface of the full feature set.

无需多说，ZeroMQ是一个雄心满满项目，该简介对于完整的特性集而言只能略见一斑。

youdao

After an introduction to the design features of the jar, the specifications, parameters, operating rules, maintenance and surface test of the jar are listed and expounded.

在阐述震击器的结构设计和工作原理之后，着重介绍了震击器的规格系列、参数、操作规程、维修保养和地面试验等使用说明。

youdao

This is an impressive and compelling introduction to Africa's embrace of Latin music, yet it only scratches the surface.

NPR: 'Africa Boogaloo': An Intro To Afro-Latin Music