What we will be doing with triggers is facilitating the overdraftprotection that some banks offer.
我们将要做的是，运用触发器来促进银行提供的透支保护。
2
Overdraftprotection is a good safety net to protect you against bouncing checks, but if you're not careful it can become a crutch that encourages irresponsible financial behavior.
透支保障安全网，以保护好你对跳票但是如果你不小心就会变成拐棍，鼓励金融不负责任的行为。
3
Banks have historically covered bad checks for valued clients, who were invited to opt in to overdraftprotection or to link their checking accounts to savings accounts or to lines of credit.