一楼的不错，简单易懂！不过这种句子翻译法很多，要看场合，这个也可以：
Only if hard work can get technological innovations.
这个强调了艰辛的努力。
Technological innovations are acquired by hard work and efforts.
Technological innovations don't come in easy.
The technical innovation is needs to pass through all sorts of is difficult can obtain.
Tech-innovation comes with hard work after hard work
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