They retail for between $699 and $899 depending on the model. Mr Zylkin also sells do it yourself kits, starting at $74.

这项发明售价在699美元到899美元之间，你也可以买DIY套装自己拼，只要74美元。

youdao

But by adopting a model you're giving yourself a framework that can help focus on the right things at the right times.

但是，通过实际采用一个模型，你为自己选择了一个框架，有助于在正确时机将精力集中到正确的事情上。

youdao

But by adopting a model you're giving yourself a framework that can help focus on the right things at the right times.

但是，通过实际采用一个模型，你为自己选择了一个框架，有助于在正确时机将精力集中到正确的事情上。

youdao