Some people are worried that the low-cost filight cannot as comfortable as the normal ones and make it possilbe that passengers feel tired during the travel.这句话里的the low-cost flight 和后面的那个ones 对应么?应该用one 还是ones?In fact,the seats offered by the majority of airlines are in the same space.这句话里的offered 前面要不要加that?我不清楚这是什么结构,还有那个in the same space可以这样表语么?最后一句的are 换成shared in the same space.可以表达同样的意思么?即所有的座位空间都是一样大的. 不知道这两个句子里是不是还有别的错误.有的话请指出~

Some people are worried that the low-cost filight cannot as comfortable as the normal ones and make it possilbe that passengers feel tired during the travel.
这句话里的the low-cost flight 和后面的那个ones 对应么?应该用one 还是ones?
In fact,the seats offered by the majority of airlines are in the same space.
这句话里的offered 前面要不要加that?我不清楚这是什么结构,
还有那个in the same space可以这样表语么?
最后一句的are 换成shared in the same space.可以表达同样的意思么?即所有的座位空间都是一样大的.
 
不知道这两个句子里是不是还有别的错误.有的话请指出~