孙中山先生曾经说过:“人生不如意事十之八九。”民间谚语讲:“自然界没有不凋谢的花,人间没有不曲折的路。”这两句话的意思是( )
In manufacturing, cheaper materials are constantly being for the better, more expensive kind.
I have no idea of what is in fashion nowadays, so my choice might be quite ____.
Every time Gina catches her employees ____________ time, she reminds them that time is money.
The teacher left word with our monitor ___________ she would explain the problem again next time.
He hesitated for a moment before kicking the ball; otherwise, he ___________ a goal.