词语注释：mattern. 物质；原因；事件
vi. 有关系；要紧
词组短语 
no matter 不论怎样；不要紧
a matter of 大约；…的问题
no matter how 不管怎样
no matter what 不管什么，无论什么
organic matter 有机质；有机物；有机物质
subject matter 主题；主旨
doesn't matter 无所谓；无关紧要
matter of fact n. 事实
no matter where 无论哪里
for that matter 就此而言；至于那个；说到那一点
dry matter 干物质，固形物
no matter what happens 无论发生什么事；无论出现什么情况
no matter who conj. 不管是谁
on the matter 在这件事情上；对这个问题
no matter whether conj. 无论（不管是）
a matter of time 只是时间问题；某事肯定发生只是时间问题而已
in the matter of 就…而论，在…方面
in a matter of 左右；大约只不过在…之内
no matter which 无论哪一个
dark matter 暗物质
例句：
(1) This matter concerns all of us.
这件事与我们每个人都有关系。
(2) We must move at once in this matter.
对这件事我们必须立刻采取行动。
(3) He tends towards my opinion on this matter.
在这件事上他倾向于我的意见。
(4) They'll approach her on that matter.
他们要向她交涉那件事情。
(5) We have to ravel the matter out.
我们必须把事情弄个水落石出。
(6) They discussed an important matter with her.
他们跟她谈论一件重要事情。
(7) They will go behind this matter.
他们将彻底调查这件事。
(8) I saw some persons haunting around your house, what's the matter with you?
我看见有几个人常在你家周围转悠，你那里发生什么事了?
(9) I should like to arbitrate on this matter.
我想谈谈我对这件事的看法。
(10) In this matter we must place the common cause above all else.
在这件事情上， 我们必须把共同事业放在高于一切的位置上。

recovervt. 恢复；弥补；重新获得
vi. 恢复；胜诉；重新得球
n. 还原至预备姿势
短语
recover from 恢复；恢复知觉
recover possession收回管有
recover oneself恢复正常；恢复健康；清醒过来；镇定下来
recover investments投资成本回收
Recover Photographs得照片
File Recover易用的文件恢复软件
Recover Floppy紧急还原磁片
Recover passwords取回密码
Recover MP恢复MP
STATUS RECOVER恢复技能
词根：recover
adj. recoverable 可收回的；可恢复的；可补偿的
n.
recovery 恢复，复原；痊愈；重获
recoverer 回收器；财产收回取得者；追索财产者
(1) I sincerely hope you will soon recover.
我诚恳地盼望你早日康复。
(2) It is impossible for the client to recover.
该诉讼委托人不可能胜诉。
(3) But no one knows yet how well she might recover.
但现在无人知道她能恢复到什么程度。
(4) I thought, if I recover I have to do more for everyone.
我当时就想，如果我能恢复，我要为大家做更多的事。
(5) Then they treat them with drugs to help them recover.
然后，他们用药物治疗，以帮助他们恢复。
(6) How they recover is not just their problem, but Europe’s.
他们如何恢复不只是他们的问题，而是欧洲的问题。
(7) If I were told that I could recover my eyesight, I would refuse.
如果有人告诉我我可以恢复我的视力，我会拒绝。
(8) Short of replacing hardware, you cannot recover from this situation.
缺乏可替换硬件，将不能从这种情况中恢复。
(9) They vaccinate our children and help us to recover when we are sick.
他们对我们的儿童进行预防接种并帮助我们在患病时康复。
(10) In many parts of the world, it has yet to recover.
在很多地方，到目前为止，这种状况还没恢复。