| 数字 | shù zì | numeral; digit; number; figure; amount; digital (electronics etc); CL:個|个[ge4] |
| 货币 | huò bì | currency; monetary; money |
| 交易 | jiāo yì | (business) transaction; business deal; CL:筆|笔[bi3] |
| 速 | sù | fast; rapid; quick; velocity |
| 兑 | Duì | surname Dui |
| duì | to cash; to exchange; to add (liquid); to blend; one of the Eight Trigrams 八卦[ba1 gua4], symbolizing swamp; ☱ | |
| 常见问题 | cháng jiàn wèn tí | common problems; FAQ |
| 解答 | jiě dá | answer; explanation; solution (to a math equation) |
| 教程 | jiào chéng | lecture course; teaching module at university; tutorial; textbook; course of study |