Do not attempt the upgrade unless you have completed the first four steps.

除非你完成了前四步，否则不要尝试升级。

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We'll be following the first four steps in the list to develop our sample application.

我们将遵循列表中的前四个步骤来开发我们的样本应用程序。

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She supported him as he took his first steps, 15 feet in the beginning, then, after four weeks, a mile and a half.

她鼓励丈夫试着下床走一走，从一开始的15英尺，到4周以后的1.5英里，始终相扶左右。

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Four Steps to the Epiphany was the first text to show how startups are different from large companies.

FORBES: A Startup Conversation with Steve Blank

In the video below, Nayar, who recently released the book Employees First, Customers Second: Turning Conventional Management Upside Down, outlines four simple steps companies can take to implement this philosophy and reap the revenues in return.

FORBES: HCL's Secret To Bigger Profits: Value-Focused Employees

The survey comes after warning from Conservatives that children "as young as four" needed to be targeted by new schemes to prevent them taking the first steps on a life of crime.

BBC: Fifth of children 'are crime victims'