如果不衡量影响，我们只是在猜测可持续性。
If we don’t measure our impact, we’re just guessing at sustainability.
I think that’s the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.
向投资人筹款，他们会给你建议；但向他们咨询建议，他们会给你钱。
无人机的应用场景远远超出我们的想象。