这些都是小规模、低成本、本地摄制的电影。
其余的人都不遗余力不计成本地保护着这些农民们。
Everyone else is paying a huge opportunity cost to protect those farmers.
它们的进展主要是关于如何低成本地设计和制备这些精细结构的。
Their advancements have been about how to design and fabricate that intricate structure cheaply.
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