2. Roll your clothes when packing. Instead of creating a folded pile in your suitcase, rolling allows you to fit more things in. Plus, you can even roll underwear and socks within your clothes for optimal space-saving.

衣服卷着打包。不要把衣服叠放在行李箱中，而应该卷着放，这样可以腾出更多空间。而且，你可以把内裤袜子卷在衣服里，这样能最大化节省空间。

3. Scan your passport, identification card, and itinerary and email them to yourself. This provides an extra copy of each in the event of loss or theft. As an iPhone user, once I email the documents to myself, I usually open the email on my iPhone and save them onto iBooks. This provides me with an offline record.

扫描护照、身份证及行程路线等文件，然后发到自己邮箱里，这样万一丢了或被偷，你还有备份。因为我用的是iPhone，所以每次我只需打开手机邮件，然后把文件保存在iBook里就行了。这样就算连不上网我也还能查看文档。

4. It’s important to remember to call your credit or debit card company before you leave to ensure that you have your card authorized for your foreign destination. This prevents them from suspecting suspicious activity.

动身前一定要向信用卡或借记卡公司问清楚，你的卡在国外能否使用，以免到时候被怀疑从事非法活动。

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