bottom line最常见的含义是“底线”，此外，bottom line还可以表示“最重要的因素”“要旨”“归根结底，总之”等，具体可参考韦氏词典给出的释义：

可参考如下双语例句：

However, the bottom line is that while the size and age of an egg may have a slight effect on the boiling and peeling process, the shade of the shell makes no difference to the outcome.

然而，总之，虽然鸡蛋的大小和年龄可能对煮沸和剥皮过程有轻微影响，但蛋壳的颜色对结果没有区别。

Such feedback should include input from the patient and his condition, because the bottom line is to have a satisfied customer.

反馈的内容，应涵盖病患者提供的资料，以及病患者的情况，因为我们最终的目的是要令作为顾客的病患者感到满意。

He highlighted that the bottom line was the need for action to implement commitments to address problems with all partners doing their part.

他强调，最重要的是需要采取行动，履行承诺，解决问题，所有伙伴尽自己的职责。

The bottom line is that enterprises cannot afford to ignore Big Data, as it contains compelling and powerful information about evolving customer needs, product pain points, and recurring service issues.

归根结底，企业再也 不能忽视大数据了，因为大数据针对不断变化的客户需求、产品难题和重复发生的服务问题提供了惊人的、极具吸引力的信息。