超微型卫星和微微卫星的最大的优势在于他们很便宜。
The biggest advantage of nano - and pico-satellites is that they are a bargain.
w我可以随时随地的看到电脑，更重要的是，他们很便宜。
I can see computers whenever I want. What's more important, they are very cheap.
我常买那些可能我并不需要的东西，原因仅仅是因为他们很便宜。
Ioften buy things that I do not need just because they are cheap.
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