Readers can quite well without knowing the exact meaning of each word.
Mary often does some translation work to earn extra money, which half of her income.
The examination results suggested that I in poor health,so the doctor suggested that I more exercises to improve it.
—Can those at the back of the classroom hear me?—No problem, sir !
to sunlight for too much time will do harm to your skin.
I don’t think it to stay up late in the night and sleep until midday the next day.