| |||
| 电平触发器 | |||
|
level trigger : 10 phrases in 7 subjects |
| Business | 3 |
| Commerce | 2 |
| Customs | 1 |
| Economics | 1 |
| Information technology | 1 |
| Technology | 1 |
| World trade organization | 1 |
| |||
| 电平触发器 | |||
|
level trigger : 10 phrases in 7 subjects |
| Business | 3 |
| Commerce | 2 |
| Customs | 1 |
| Economics | 1 |
| Information technology | 1 |
| Technology | 1 |
| World trade organization | 1 |