RecDescent的缺点是：由于它使用可扩展文法规则并且实时地进行记载和解析，所以比较慢。

The downside of Parse: : RecDescent is that it is moderately slow because it USES extensible grammar rules and on-the-fly lexing and parsing.

youdao

大概你也能猜到，我们没太多研究经费，所以目前进展比较慢。

We don't have a great deal of funding for this, as you can probably imagine, so it's a slow process right now.

youdao

这需要更强的处理器，所以如果你的手机比较慢的话，那些高容错度可以不是个好的选择。

This takes processing power, so if your phone is a little slow, Error Tolerance might not be the best option.

youdao