The industry is very conservative and they will not go for something that is much more expensive than what they already have just because it is green.
建筑是十分保守的一个行业，人们不会仅因为环保就用更贵的材料替换现有材料。
Time to move on, build something safer, more reliable, less expensive to fly.
时间继续前进，我们会建立一些更安全，更可靠，更便宜的飞行。
Time to move on build something safer more reliable less expensive to fly.
时间继续钱进，我们会建立一些更安全，更可靠，更便宜的飞行。
Time to move on build something safer more reliable less expensive to fly.
时间继续钱进，我们会建立一些更安全，更可靠，更便宜的飞行。
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