This question can be answered from aspects such as travel preparation, challenges during the actual travel process, and adjustments after the trip. It can discuss common travel difficulties such as language barriers, cultural differences, financial management, safety issues, or health risks.

この問題は、旅行の準備、実際の旅行中の課題、および旅行後の調整などの観点から回答できます。言語障壁、文化の違い、財務管理、安全問題、健康リスクなど、一般的な旅行の困難について議論できます。