In most cases diet is the key to restoring the balance. However not all iron in food is created equal.
大多数情况下，饮食是恢复平衡的关键，然而不同食物的含铁量是不一样的。
2
While passing by an iron bench I lose my balance again and my knee hits the corner of the bench.
当经过一个铁质长椅时，我又失去了平衡，我的膝盖撞到了椅子的角上。
3
This paper analyzes the balance between Iron-making and Steel-making process, and puts-forward the measures to improve it. The effect of the improvement is analyzed.