Měi / gè / xiǎo / biāo / tí / dōu / yīng / gāi / qīng / chǔ / de / gài / kuò / xià / miàn / yí / duàn / de / zhǔ / tí

每个小标题都应该清楚地概括下面一段的主题。

Each subheading should clearly summarize the topic of the paragraph below.