原文：First and foremost, it is important to ensure that you have all the necessary documents before traveling abroad. This includes your passport, visa, and any other relevant paperwork.

在出国旅行前，首要和最重要的是确保自己拥有所有必要的文件。这些文件包括护照、签证以及其他重要的文件。

原文：Additionally, it is recommended to inform your bank and credit card company of your travel plans to avoid any issues with transactions abroad.

此外，建议在出国前向银行和信用卡公司告知自己的旅行计划，以避免在国外交易出现问题。

原文：Before you depart, do some research on the customs and culture of your destination country. This can help you avoid any unintentional social faux pas and make a good impression on the locals.

在启程前，了解一下目的地国家的习俗和文化也很重要。这能够帮助你避免不经意间的社交错误，同时给当地人留下好的印象。

原文：Lastly, make sure to pack appropriately for your trip. Consider the weather and activities you'll be doing to determine what items you'll need to bring.

最后，确保自己的行李搭配得当。考虑天气和旅行活动，以确定需要携带哪些物品。