No matter what , just do not give up .Always believe that your dream can come true & just keep working for what you want to achieve.
你每花一块钱购买一些实质性的东西,预计在其寿命结束时要支付一块钱的维修、保养或处理费用。
The inflationary universe model suggests that the universe expanded exponentially in the first fraction of a second after the Big Bang.