Wu Changfeng smiled and said, "Your thinking is really... wildly imaginative!"
"Who says you have to use a gearbox to change gears?"
Lin Xiaotong became interested. So, there's an easier way?
"Brother-in-law! You're my own brother-in-law, so please speak, I'm listening."
Wu Changfeng took a sip of his drink and said, "We can totally use a gear shifter!"
"Gears?" Lin Xiaotong tilted her head.
"Let me ask you something." Wu Changfeng was about to explain the principle of a multi-speed bicycle, but fearing Lin Xiaotong wouldn't understand, he changed his tone: "What's your educational background?"
"I graduated from primary school," Lin Xiaotong said proudly.
In that era, graduating from primary school was equivalent to graduating from high school in later times.
That's quite impressive.
After all, while the call for universal education is loud, in most cases it's just a formality; students finish primary school and that's it.
In fact, in Wu Changfeng's previous life, back in 2005, when he was in fifth grade and hadn't even finished sixth grade, several students in his class dropped out of school one after another and went home to herd cattle...
Wu Changfeng shrugged: "Forget it, you wouldn't understand even if I explained it to you with your level of education."
"No, you have to speak! How do you know I don't understand if you don't speak?" Lin Xiaotong was extremely anxious.
What the hell is going on?
Old Zhou only graduated from primary school, yet he still knows how to prepare ingredients.
With trigonometric functions, drawing circles and tangent angles are a piece of cake.
Wu Changfeng grunted and could only say, "It's like this. You see, by installing a multi-stage freewheel on the rear axle, the speed of the bicycle increases when the chain is changed."
"That's not right." Lin Xiaotong didn't know what a flywheel was, but he knew one thing: "Whether a bicycle is fast or not depends entirely on the person."
Wu Changfeng was stunned.
It seems to suggest that whether a cat walks in a straight line or not depends entirely on the mouse.
Can you say it's unreasonable?
That's definitely reasonable!
Whether a bicycle is fast or not depends on the rider, doesn't it?
Wu Changfeng rubbed his forehead: "Well... you should go, I can't teach you..."
Lin Xiaotong: ...
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