Otherwise, what if this guy finds out about their project through other channels and solves it effortlessly?
At least in the current situation, they can still say that their previous research was valuable, at least helping Qiao Yu organize the framework of the problem.
With this problem solved, he can finally start tackling the next phase of the project!
The world is so wonderful.
...
The distance from Cambridge, Massachusetts to Berkeley City, California is about three thousand kilometers, which is also the distance from the East Coast to the West Coast.
For many smaller countries, where a weather forecast can be summarized in one sentence, it's probably hard to imagine what it feels like to be so far apart yet still part of the same nation.
The answer is probably not so pleasant, especially when a country does not use the same time zone.