Youth comes only once in a lifetime, therefore, it is important that we should not waste those years in idleness and bad living.
青春一辈子只有一次，因此，我们不应该懒惰和不良的生活浪费这些年的时间是很重要的。
2
Even though we couldn't know what will happened tomorrow, we need to make a plan for our tomorrow, next month, or next year. Don't waste of your time because of your idleness.