HSK 3
Jīntiān shì wǒmen jiéhūn shí zhōunián.
Today is our tenth wedding anniversary.
HSK 3
Gōngsī qìngzhù chénglì èrshí zhōunián.
The company celebrated its 20th anniversary.
HSK 3
Wǒmen de qiúduì chénglì yǐjīng sān zhōunián le.
Our team has already been established for three years.
