However, traditional machine translation was limited as it largely relied on the manual input of vocabulary and terms.

然而，传统的机器翻译在很大程度上依赖于人工输入词汇和术语，具有一定的局限性。

Besides manual input of vocabulary list, the new machine translation software can learn through the comparison of parallel texts -two texts about the same topic but in two different languages.

除了人工输入词汇表，新的机器翻译软件还可以通过平行文本的比较学习，即两个关于相同主题，但两种不同语言的文本。