valid

柯林斯词典

1. ADJ A valid argument, comment, or idea is based on sensible reasoning. 有根据的
They put forward many valid reasons for not exporting. 他们提出了许多有根据的理由来反对出口。
2. validityN-UNCOUNT 合理性
The editorial says this argument has lost much of its validity. 这篇社论说该论点已失去了其许多合理性。
3. ADJ Something that is valid is important or serious enough to make it worth saying or doing. 重要的
Most designers share the unspoken belief that fashion is a valid form of visual art. 大多数设计师都有一种心照不宣的信念，即时尚是视觉艺术的一种重要形式。
4. validityN-UNCOUNT 重要性
...the validity of making children wear bicycle helmets. …让孩子们戴自行车头盔的重要性。
5. ADJ If a ticket or other document is valid, it can be used and will be accepted by people in authority. 有效的
All tickets are valid for two months. 所有的票在两个月内有效。
6. →see also validity

The judge remarked that ignorance was not a valid defence .
For the experiment to be valid, it is essential to record the data accurately.
Their arguments were valid a hundred years ago and they still hold good today.
You need to trawl through a lot of data to get results that are valid.
The voucher is valid between July and December and entitles you to 10% off all overseas flights .