您要查找的是不是：
- His claim to ownership is invalid. 他的所有权是无效的。
- A passport that is out of date is invalid. 护照过期是无效的。
- His father is a bed-ridden invalid. 他父亲是个缠绵病榻的人。
- Soft drinks are much in demand this hot weather. 这么热的天气，软饮料需求量很大。
- He has been an invalid all his life. 他终身残废。
- He's quite within his rights to demand an enquiry. 他完全有权要求进行调查。
- The invalid gained colour under the doctor's care. 病人在医生的治疗下，脸色逐浙红润。
- Such a demand borders upon folly. 提出这种要求简直是愚蠢。
- The invalid lay propped on the pillows. 那病弱者倚靠在枕头上。
- Demand is outstripping current production. 现在需求逐渐超过了生产能力。
- My wife's unreasonable demand has me up a tree. 我妻子的无理要求使我很为难。
- We anticipate that demand is likely to increase. 我们预料需求可能增加。
- The matter cannot rest there I demand an apology. 事情不能就此罢了－－我要求向我道歉。
- The girl spent all her spare time to look after her invalid mother. 这个女孩把她所有的业余时间都用来照顾长期生病的母亲。
- We've scaled up production to meet demand. 我们已经扩大了生产以满足需求。
- Vegetables are deliverable on demand in this store. 这家商店的蔬菜应要求送货上门。
- The workers demand a definite answer. 工人们要求一个明确的答复。
- Women demand equal pay for equal work. 妇女要求同工同酬。
- A defect in a legal document that can render it invalid. 破绽，失效可能导致其无效的法律文件的漏洞
- They demand the right to govern themselves. 他们要求自治权。
