NASA’s future is so uncertain and everything in space seems to be in constant need of repair.

国家宇航局的未来是如此不确定，在太空中的每件东西看起来都需要不断维修。

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Our work space is a constant bombardment of influences, both positive and negative from the physical environment, the people in it and our own self-confidence.

我们的工作空间不断受到各种因素的影响，即有好的也有坏的。这些影响来自实际环境、环境中的每个人以及我们的自信。

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Unlike on earth, with its cycle of nights and days and where there can be clouds, sunshine in space is practically constant - aside from a few days around the spring and autumn equinoxes.

不像在地球上，有日夜交替，有云遮雾绕，太空中的阳光几乎永恒不变——除了在春分秋分的那几天之外。

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What made BARIS so stellar a space game was that it captured the essence of the Space Race and its constant tension between risk and reward.

FORBES: The Return of "Buzz Aldrin's Race into Space" Game

The idea is that it's a constant through all space and through all time.

NPR: New Clue to Universe's Darkest Mystery

The theory explained that space is relative and not constant, and the only thing that is constant is the velocity of light.

UNESCO: Culture