start business by hard work的用法和樣例：
例句
- We must have a clear understanding of the need to work hard and develop a pioneering spirit.
我們對于艱苦創業，要有清醒的認識。 - We must uphold the principles of self-reliance and hard work and let cadres and the general public give full expression to their initiative and creativeness.
要堅持自力更生，艱苦創業，充分發揮廣大干部群眾的進取精神和創造精神。
