| 1. | This train ticket is valid for three days . 这张车票3日内有效。 |
| 2. | Newton's law of universal gravitation is valid . 牛顿万有引力定律是正确的。 |
| 3. | How long will the registered trade-mark remain valid ? 注册商标的有效期多长? |
| 4. | This assumption is often valid . 这一假设通常是成立的。 |
| 5. | Equal pay for equal work is valid . 同工同酬是正当的。 |
| 6. | Disavowal of pain is valid . 否认疼痛是有确实根据的。 |
| 7. | Physics can arrive at universally valid uniformities . 物理学能够达到普遍有效的齐一性。 |
| 8. | Her excuse was not valid . 她的借口靠不住。 |
| 9. | This explanation of britain's rise was partly valid . 对英国崛起所作的这种解释部份是站得住脚的。 |
| 10. | It'll take two years, sir, to be valid against death duties . 先生,这要等过两年才能免除遗产税呢。 |