I keep checking them for much the same reason I punctuate my working day with cups of tea and coffee.

上这两个网站跟我在工作时停下来喝杯咖啡或茶的原因是一样的。

youdao

I had no idea what the respiratory system did and I couldn't punctuate a sentence.

我对呼吸系统能做什么一无所知，我也不会给一个句子标上标点符号。

youdao