In ○○、it isn't customary to think deeply about the reason for various matters.
That's why, it's often the case that people in this country cannot answer right away when asked for their opinions.
ご質問ありがとうございます。
"In ○○、it isn't customary"＝「○○では、習慣ではない」
"to think deeply about the reason
for various matters."＝「物事の理由について深く考えることが。」
"That's why,"＝「なので」
"it's often the case that people in this country cannot answer right away"＝「多くの場合、すぐ答えられない人々がいる」
"when asked for their opinions."＝「意見を聞かれたときに。」
ご参考までに。
アメリカ合衆国 
