free balance

例句：

1. 1. The free balance is a great way to save money for the future.
   免费余额是一种很好的为未来储蓄的方式。
2. 2.The company's free balance has increased significantly since the new policy was implemented.
   自从实施了新政策后，公司的免费余额显著增加。
3. 3. With the free balance, I can now pay for my groceries without worrying about overspending.
   有了这个免费余额，我现在可以无忧无虑地支付我的杂货费用了。