Number + 亿
亿 (yì) is the Chinese numeral for one hundred million (100,000,000). It functions as a large-number unit in the Chinese counting system, which groups digits by ten-thousands rather than thousands. Place 亿 after a number to express quantities in the hundreds of millions.
这座城市的人口已经超过两亿。
Zhè zuò chéngshì de rénkǒu yǐjīng chāoguò liǎng yì.
The population of this city has already exceeded 200 million.
去年公司的营业额达到了三十亿。
Qùnián gōngsī de yíngyè'é dádào le sānshí yì.
The company's revenue reached three billion last year.
全球互联网用户已有几十亿人。
Quánqiú hùliánwǎng yònghù yǐ yǒu jǐshí yì rén.
There are already tens of billions of internet users worldwide.