英語で「必ずしも〜する必要はない」と丁寧に言うには？

Polite Phrases to Express “Not Necessarily” in English:

• Not strictly necessary
• Not essential
• It’s not absolutely required
• It’s not critical

Example Usage:

• “It’s not strictly necessary to bring your own towels, as they are provided at most hotels.”
• “A laptop is not essential for this trip, but it would be helpful if you have one.”
• “While it’s not absolutely required, I recommend packing a light jacket in case of unexpected weather.”
• “It’s not critical that you bring a camera, but it might be nice to have one to capture your memories.”

Specific Example Related to Bringing Items to Japan:

• “With regard to the items you will be taking to Japan, it’s not strictly necessary to bring a kimono, but it can be a special and memorable experience to wear one.”