水产养殖的成功在于平衡产量与生态。

You think when you wake up in the mornin yesterday don't count. But yesterday is all that does count. What else is there? Your life is made out of the days it's made out of. Nothin else.

物理定律产生了复杂的结构，至少在一种情况下，一个复杂的结构产生了物理定律。