Why not read it in the library and save the money?

为什么不去图书馆读，省点钱呢？

youdao

This book is a bit hard, why not read something easier?

这本书有点难，为什么不读些容易的？

youdao

This book is a bit difficult. Why not read something easier?

这本书有点难，你为什么不读点容易的？

youdao

After all, the hackers said, you look at restaurant reviews before going to a restaurant, why not read a review of your potential mate?

FORBES: The Craziest Company At TechCrunch Disrupt

So why not let investors actually read what the FDA said?

FORBES: MannKind Becomes Poster Child For Dangers Of FDA Secrecy

Nevertheless, the unit was still regarded as a fantastic DSLR, and if you've got five grand just burning a hole in your pocket, why not take some time out and read the full review before taking the plunge?

ENGADGET: Canon's EOS-1D Mark III DSLR gets reviewed