从 + Place / Time + Verb
从 (cóng) is a preposition meaning 'from,' indicating a starting point in space or time. It is placed before the location or time to mark where an action originates. For example, 从城市撤出 means 'to withdraw from the city.'
我从北京坐高铁到上海,只用了四个小时。
wǒ cóng běijīng zuò gāotiě dào shànghǎi, zhǐ yòng le sì ge xiǎoshí.
I took the high-speed train from Beijing to Shanghai, and it only took four hours.
她每天从家走路到公司,大概需要二十分钟。
tā měitiān cóng jiā zǒulù dào gōngsī, dàgài xūyào èrshí fēnzhōng.
She walks from home to work every day, which takes about twenty minutes.
这个包裹是从日本寄过来的。
zhège bāoguǒ shì cóng rìběn jì guòlái de.
This package was sent from Japan.