Meaning of tóu zī:
tóu zī
投资
Noun
investment
Tā zài gǔpiào shìchǎng shàng zuò le hěn duō tóuzī.
他在股票市场上做了很多投资。
He made many investments in the stock market.
Verb
to invest
Xǔduō rén xuǎnzé zài gǔpiào shìchǎng jìnxíng tóuzī.
许多人选择在股票市场进行投资。
Many people choose to invest in the stock market.