However, if your tax situation is at all complicated, or you're at all unsure of what you need to report, then doing your own taxes can end up costing you if you miss something.

但是如果你纳税情况比较复杂，或者你根本拿不准什么该报什么不该报，那么当你报税时遗漏了什么东西，你就因小失大了。