The most obvious, most thorough—and, generally, the most expensive—method for testing across multiple browsers and OSes is to actually test across multiple browsers and OSes.

跨多个浏览器和操作系统进行测试，最显而易见、最全面（当然成本也最高）的方法就是对多个浏览器和操作系统进行实际测试。

youdao

The most obvious, most thorough—and, generally, the most expensive—method for testing across multiple browsers and OSes is to actually test across multiple browsers and OSes.

跨多个浏览器和操作系统进行测试，最显而易见、最全面（当然成本也最高）的方法就是对多个浏览器和操作系统进行实际测试。

youdao