宋刚：我还是从上面提到的三方面来考虑：1.即时性，always online，例如海外已有厂商在做always online的camera，甚至有人把它挂在胸口。
You'll have to wait to receive both items in the mail together, so this isn't a digital purchase, and they may ship separately. Keep that in mind before making the purchase if you're more interested in a digital gift card.
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图①：在陕西白水县，西北农林科技大学白水苹果试验站站长高华（右）和硕士研究生于萌正在检测苹果糖度。
Replaced by: Custom/DIY (0% → 50%), rest other tools