1. Providing meaningful and quality input into the virtual classroom is an essential part of online learning.
    要花时间斟酌并仔细作答，

2. Less important than ever is developing a meaningful philosophy of life."
    而培养一种有意义的人生哲学, 则比过去任何时候更显得不那么重要了。" 这一情况并不让人感到惊奇。