dòngchē měi xiǎoshí xíngshǐ sānbǎi gōnglǐ.
The high-speed train travels 300 kilometers per hour.
dòngchē piào kěyǐ wǎngshàng gòumǎi.
Tickets for the high-speed train can be bought online.
dòngchē kěyǐ jiéshěng hěnduō shíjiān.
Taking the high-speed train saves a lot of time.