Nasa has been so keen to find water on the Moon because it brings the dream of a permanent lunar base one step closer.

美国宇航局一直渴望能够在月球上发现水，因为这样，月球变成一个永久性基地的梦想又近了一步。

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The first step is to create the actual knowledge base.

第一步是创建一个实际的知识库。

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Activation of the Universal Arc of the Covenant passage opens the diagonal Base-6 Half-step Arc passage Signet (stargate) system, activating the Helio-TA-sis Line within the Veca and Ecka Templates.

宇宙盟约之弧通道的激活开启了倾斜的基底- 6半阶弧通道纹章(星门)系统，活化了纬卡与俄卡模板内的赫利欧-塔-希斯导线。

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Moving beyond micro-credit and micro-franchise, a new approach called the MicroConsignment Model has emerged as a first step on the ladder of micro-entrepreneurship at the Base of the Pyramid.

FORBES: Social Entrepreneurship: The MicroConsignment Model

They set up base camp, often in absurdly frigid temperatures, and step carefully into waist-high snow.

WSJ: Snowboarder Jeremy Jones's Secret Code of Snow | Creating

That was never in doubt, but the Allies hoped the stand against Germany's naked aggression would persuade Hitler to step back from the brink of all-out war, a motive that was neither base nor ridiculous.

ECONOMIST: The second world war