英语翻译This is a once-in-a-llifetime deal.想确认一下我理解的是不是对的.语境是这样的：推销员在推销商品.这里的deal指什么，把deal改成chance行不行。还是这是固定搭配，不能改？

Once,this is a promise This is the house.I once lived in it.This is the house--- ---I once lived This is the room where I once lived. This is the museum where I once visited改错 This is a chance once in a blue moon, 英语翻译一共两段..求中文【Once a prohet,the messiah for this world,now imprisoned .As I lie here,trapped in these tubes,in this twisted,ruined shell of body.】【 Is that all I fought for,all that I have scarificed ,is as dust?NO.THIS CA 英语翻译my name is love；I forgot you go；Go to you like everyone else；A spell is a curse；This is not over lifetime；I did not deserve to be loved；Am I destined to a renewed；I'm the one dominates me；No I did not go line?once；Still, 英语翻译A saying I once heard strikes a painful note in my head.Even one war is too many. 英语翻译Once I love you ,my heart was broken.so,I hit you ,but I'm also not happy.It would be a same feeling in your heart,I think.Now,I love you ,this will be never change.It is a secret in the deep of my heart.And never come back...I will still 英语翻译One step too far All at once I'm falling Just like a star I'm buring for you Thought I could keep myself from feeling this way I guess that was my first mistake Cause suddenly I'm walking Down a dark street to your door Wanting you is dri 英语翻译Daddy was a soldier he taught me about freedom Peace and all the great things that we take advantage of Once I fed the homeless,I'll never forget THE look upon their faces as I treated them withrespect And This is my Vietnam I'm at war Li 英语翻译This grasslands once ,I have seen grasslands.That ratio elsewhere's there sky is more lovable ,air is so completely fresh ,the sky is so bright and cheerful,makes me always want to sing a song with a resounding voice ,expresses happiness 英语翻译Linda once was a teacher,but now she is a sceretary for a women’s magazineThe young couple have a lovely daughterMedical stuendts in japan have to sutdy for seven years in universityThis time I was lucky.i got the job in this big compan 英语翻译翻译：这件风衣这么酷你赶快就买了吧 This is —a cool windbreaker —you should buy it at once. 英语翻译readers tend to treat the links more as an informational tool than as a thing for clicking.Strange,but once again this is proven to work. i got up （at seven ）this morning对括号部分提问she is feeling (well)he comes to china (once a year) This is such an interesting book that I'd like to read once more改错 This room is （ ）（一样大小）the one I once lived in.（same）