Once we have mastered this technology, we will possess the basic technology and capacity to build a space station, and this will open up possibilities for even larger activities in space.
一旦我们掌握来了这项技术，我们将具备基本的技术要求从而有能力去建设太空站，这也将为在太空开展更进一步的活动开路。
This means avoiding people, places, and things that make you feel lousy, and starting to cultivate and engage in those activities and relationships that build you up.
这就意味着要避免那些让你感到糟糕的人、事或环境，参与一些能够让你回归正常的活动和人际交往。
Mix things up and try some different activities, like biking or swimming, so you can build fitness without having to run all the time.
可以穿插一些其他的不同的活动，像骑车或者游泳，也可以构筑健康而不用总是通过跑的方式。
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