研发过程中最棘手的问题，是美术人员的频繁流失。小公司待遇有限，美术来了又走，无人接手时，波波只能亲自上阵画素材应急，这也是如今游戏里残留着多种美术风格的原因。
Scientists warn that as humans move more activities off-Earth, more debris will fall to Earth, polluting as it plummets.
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The rig sits over an almost-depleted oilfield that's about to get a second life as a massive carbon storage project called Greensand Future.
For roughly the first decade of the "cash machine," they were offline devices