小规模渔业对于平衡生态系统和大规模养殖同样重要。
燃气发动机是所有热机中最完美的,因为它结合了蒸汽机和内燃机的优点。
Markets are constantly in a state of uncertainty and flux, and money is made by discounting the obvious and betting on the unexpected.
"Books are the mirrors that reflect our potential."