3 sentences

1. 人们涌入大城市。

   rén​men yǒng​rù dà​chéng​shì.

   People are flocking to the big cities.

   Source: CCMatrix

2. 从星期六早上的8：00开始，数十辆汽车涌入停车场。

   cóng xīng​qī​liù zǎo​shang de8:00 kāi​shǐ, shù shí liàng qì​chē yǒng​rù tíng​chē​chǎng.

   Beginning at 8:00 on Saturday morning, dozens of cars poured into the parking lot.

   Source: CCMatrix

3. 移动应用程序开发人员的涌入为我们提供了太多选择。

   yí​dòng yìng​yòng​chéng​xù kāi​fā​rén​yuán de yǒng​rù wèi wǒ​men tí​gōng le tài​duō xuǎn​zé.

   The influx of mobile app developers has given us too many choices.

   Source: CCMatrix