水产养殖不是问题所在,如果方法得当,它会是解决方案的一部分。
学习不仅仅是存储信息的问题;它是一个改变我们思维方式的过程。
The most important things are hardest to tell,because words shrink their importance.It's not easy to let strangers care about the good things in your life.