在英语写作中，逗号用于分隔列举的事物。

In English writing, ___commas are used to separate items in a list.

演唱这首歌时，要注意在逗号处稍作停顿。

When singing this song, remember to pause slightly at the ___commas.

我们的利润只相差几个小数位，几乎可以忽略不计。

Our profits differ by just a few ___commas, which is negligible.