This is where the free demo comes into play.

这就是免费示范参与应用的方式。

youdao

There is a free demo, but to buy the full game it is $20.

它有一个免费的测试版，但完整游戏售价20美元。

youdao

If you are interested in trying this out, Futuregen and Untangle can provide you with a free demo for you try out.

如果您有兴趣尝试了这一点，未来和解开可以为您提供免费的演示为您试试。

youdao

Wii U Panorama View will be available as a free downloadable demo from the Nintendo eShop and includes a sample of different experiences the application has to offer.

ENGADGET: blogger-avatar

The last time we heard from Steorn, the company had just joined a long line of optimistic but doomed people and companies unable to actually demo free-energy tech when put the test -- and although the Orbo didn't actually do anything, CEO Sean McCarthy promised us that we'd eventually get a working demo with physical access to the device.

ENGADGET: Steorn returns, promises to open Orbo specs, give you a pony

To snag the Epic Citadel demo (for free) on your Android device of choice, head to Google's Play store or Amazon's App Store.

ENGADGET