 |
| |||
| 常见问题 | |||
| 共性问题 | |||
|
common problem : 4 Phrasen in 4 Thematiken |
| Geschäftsvokabular | 1 |
| Internationaler Handel | 1 |
| Luftfahrt | 1 |
| Technik | 1 |
|
| |||
| 常见问题 | |||
| 共性问题 | |||
|
common problem : 4 Phrasen in 4 Thematiken |
| Geschäftsvokabular | 1 |
| Internationaler Handel | 1 |
| Luftfahrt | 1 |
| Technik | 1 |