| 投资 | tóu zī | investment; to invest | |
| 投入 | tóu rù | to throw into; to put into; to throw oneself into; to participate in; to invest in; absorbed; engrossed | |
| 投票 | tóu piào | to vote; vote | |
| 投诉 | tóu sù | complaint; to complain; to register a complaint (esp. as a customer) | |
| 投产 | tóu chǎn | to put into production; to put into operation |
| 1 | Readers can submit their own articles to the publication. | |
| 2 | This project is about to be put into use. | |
| 3 | His investment returns keep increasing. | |
| 4 | Long-term investment risks are relatively high. | |
| 5 | This project needs more investment. |
