Additionally, you need to establish a solid knowledge foundation.

此外，你需要建立牢固的知识基石。

youdao

If you've been following the series, you should have a fairly solid knowledge of these issues.

如果您已经学习了本系列教程前面的内容，则应该对这些方面有了很好的了解。

youdao

That means understanding the low level aspects of it (solid knowledge of HTTP, and protocols and networking in general would help tremendously).

这意味着要理解底层的知识(熟知HTTP、协议和网络通常会有较大的帮助)。

youdao

Third, and most importantly, without good data policymakers are essentially flying blind, lacking solid knowledge of the Americans they are seeking to assist.

FORBES: Who's Afraid of Economic Data?

Yes the caddies carry the bag and give advice, but almost anyone with a solid knowledge of golf could do those parts of their jobs.

FORBES: Tiger Woods' New Caddie to Replace Steve Williams? Get Your Bets In

Solid knowledge of the UN system would be an asset.

UNESCO: Job title