069.
(c) [such/so] is the accumulation of new formations that dictionaries are going to have to come out
every six to eight years rather than every ten to keep up with the new vocabulary, an editior said.

왜, such를 써야 할까요?

070.
(3) [while] stopped in our car at traffic light, the name suddenly spews forth.

while을 사용해도 맞는건가요?