| 签名 | qiān míng | to sign (one's name with a pen etc); to autograph; signature |
| 常见 | cháng jiàn | commonly seen; common; to see sth frequently |
| 稳定性 | wěn dìng xìng | stability |
| 问题 | wèn tí | question; problem; issue; topic; CL:個|个[ge4] |
| 娱乐 | yú lè | to entertain; to amuse; entertainment; recreation; amusement; hobby; fun; joy |
| 苹果 | píng guǒ | apple; CL:個|个[ge4],顆|颗[ke1] |
| 签名 | qiān míng | to sign (one's name with a pen etc); to autograph; signature |