Now she has to expand NATO, walk the tight line of engagement with China and persuade American taxpayers that keeping the world safe does not come cheap.

现在她必须要扩展北约组织，在与中国的抗衡中走钢丝以及说服美国纳税人维持世界安全不会只需区区数文钱。

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Early 1940's: Engagement rings become the leading line of jewelry in most department stores.

1940年初：订婚戒指在许多百货商场成了珠宝的主打产品。

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With the tool of circle vector function, the involute helix profile with error is given, and with the media of engagement line, the error compensation mathematical model is established.

以圆矢量函数为工具，推出了误差条件下的渐开螺旋面方程，并以啮合线为媒介，建立了测量蜗杆误差补偿的数学模型。

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Colonels and Generals, whether in the military or marketing, are often so far removed from the line of engagement that, without listening to front line personnel, their decisions are made in a vacuum.

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Now, there will be a lot more ways to go to a new depth of engagement and to have that line up with new monetization models.

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The payoff from this line of investigation is a plan that directs your engagement where you stand the best chance of being embraced by your target audience.

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