| 兑换 | duì huàn | to convert; to exchange |
| 常见 | cháng jiàn | commonly seen; common; to see sth frequently |
| 安全问题 | ān quán wèn tí | safety issue; security issue |
| 电报 | diàn bào | telegram; cable; telegraph; CL:封[feng1],份[fen4] |
| 找 | zhǎo | to try to find; to look for; to call on sb; to find; to seek; to return; to give change |