Test them out and see what you find -you might be surprised.

试试这些软件，看看你都能发现些什么——也许你会大吃一惊的。

youdao

Make changes and test them out — just be sure to keep your source tree in sync with your deployment tree!

做出更改并完成们测试——一定要使源代码树与部署树保持同步！

youdao

Draft your questions and then test them out on your friends and see if you get the type of answers you're looking for.

草拟你的提问并通过朋友进行测试，看看你得到的回答是不是你想要的。

youdao

And then if you did find them, there was no way to test them out.

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They look at ideas that seem to solve problems and test them out, and if they don't work, they change.

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Well, sadly we'll just have to imagine how they work, as there was no connected software for us to test them out.

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