Thomas Edison is a great example. It took him 1,000 tries to develop a light bulb that actually worked.

托马斯·爱迪生是一个很好的例子，他尝试了1000次去发明可用的灯泡。

youdao

Thomas Edison is a great example. It took him 1,000 tries to develop a light bulb that actually worked.

托马斯·爱迪生是一个很好的例子，他尝试了1000次去发明可用的灯泡。

youdao