公正地说，查找包含关键字的文档列表是件很容易的事情，但是，排序技术却涉及到很多未知的技术和深奥的计算公式。

To be fair, finding the list of documents that contain the keywords is the easy part, while ranking techniques still involve a lot of black magic and secret evaluation formulas.

youdao

他说，和人们日常所用的六个或八个字符的密码不同的是，一个256位的密钥相当于一个40到50字符的密码。

Unlike a regular six - or eight-character password that most people use every day, a 256-bit key would equal a 40 to 50 character password, he said.

youdao

说出那些字来真的不容易！但看到他们知道真相后只是满脸的同情和关切，我觉得我的这个决定是正确的。

It wasn't easy to get the words out, but the empathy and concern I saw in their faces as I explained it to them told me I had made the right decision.

youdao