减少 + Object / Subject + 减少
减少 (jiǎnshǎo) means "to reduce," "to decrease," or "to cut down" and is used for both countable and uncountable quantities. It can function as a transitive verb taking an object, or intransitively to describe a decrease. It is common in economic, scientific, and policy-related contexts.
公司决定减少不必要的开支。
Gōngsī juédìng jiǎnshǎo bù bìyào de kāizhī.
The company decided to reduce unnecessary expenses.
这种方法可以有效减少污染。
Zhè zhǒng fāngfǎ kěyǐ yǒuxiào jiǎnshǎo wūrǎn.
This method can effectively reduce pollution.
今年的游客数量比去年减少了很多。
Jīnnián de yóukè shùliàng bǐ qùnián jiǎnshǎo le hěn duō.
The number of tourists this year has decreased a lot compared to last year.