I showed them around as a free guide.

我充当免费导游，带他们四处观光。

youdao

A couple of months ago I asked you what the most valuable free guide was I could create for you in this survey.

几个月前我向大家做了个调查问卷，我想知道大家最想了解的是哪方面的指导信息。

youdao

The free online guide is from the American Council of Trustees and Alumni.

VOA: special.2009.10.22

And knowing now how to calculate these free energies especially the Helmholtz and the Gibbs free energies,that's what's going to guide us in really calculating quantitatively, OK, where will equilibrium lie.

知道如何计算,这些自由能,尤其是亥姆赫兹和吉布斯自由能之后,这些数值计算就能告诉我们，平衡态到底是什么样子。

麻省理工公开课 - 热力学与动力学课程节选

Either way you still get the free guide to the best private golf access.

FORBES: Olympic Club? Winged Foot? Riviera? Yes You Can Play Golf's Best Private Courses!

For some tips on how to avoid trading pitfalls in ETFs, check out our free guide to ETFs.

FORBES: ETFs Or Mutual Funds? Why I'm Agnostic

The free guide is available from the information desks, airport website and has been supplied to local autism charities and schools with special needs units.

BBC: Autism guide for airport travel