YOU SAID:
This may not understand the elderly.
INTO JAPANESE
これは、高齢者を理解しないかもしれない。
BACK INTO ENGLISH
This is for the elderly may not understand.
INTO JAPANESE
これは、高齢者がわからない可能性があります。
BACK INTO ENGLISH
You may not know it is senior citizens.
INTO JAPANESE
それは高齢者を知ることができません。
BACK INTO ENGLISH
It cannot know the elderly.
INTO JAPANESE
それは、高齢者を知ることはできません。
BACK INTO ENGLISH
It cannot know the elderly.
You've done this before, haven't you.