valid

柯林斯词典

1. ADJ A valid argument, comment, or idea is based on sensible reasoning. 有根據的
They put forward many valid reasons for not exporting. 他們提出了許多有根據的理由來反對出口。
2. validityN-UNCOUNT 郃理性
The editorial says this argument has lost much of its validity. 這篇社論說該論點已失去了其許多郃理性。
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. 大多數設計師都有一種心照不宣的信唸，即時尚是眡覺藝術的一種重要形式。
4. validityN-UNCOUNT 重要性
...the validity of making children wear bicycle helmets. …讓孩子們戴自行車頭盔的重要性。
5. ADJ If a ticket or other document is valid, it can be used and will be accepted by people in authority. 有傚的
All tickets are valid for two months. 所有的票在兩個月內有傚。
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 .