另外，需做好物质准备。如必要的行装、兑换外汇、机票或船票。有关参考书、学术交流资料、商品样品、赠送友人的小礼品，以及常备药品等。
Before start, it is better to prepare like cloths, foreign money exchange, air ticket or sea passage ticket, and the related books, documents, samples, gifts, and the stock medicine.
youdao