【单选题】Do you have bright ideas? Ideas for inventions that change society or, at least, make life easier for somebody? Perhaps we all do sometimes, but we don't often make the ideas into realities. Recently,...
【简答题】Do you have bright ideas? Ideas or inventions that change society or, at least, make life easier for somebody? Perhaps we all do sometimes, but we don’t often make the idea a reality. Recently, in Bri...