Singapore: Chewing gum on the Mass Rapid Transit (MRT) system is strictly prohibited.

新加坡：严厉禁止在大众快速交通系统内吃口香糖。

youdao

Singapore: Chewing gum on the Mass Rapid Transit (MRT) system is strictly prohibited.

新加坡：严厉禁止在大众快速交通系统内吃口香糖。

youdao