Be careful while traveling.

旅行时要小心。

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Remember to bring some extra cash with you for emergencies while traveling.

旅行时记得随身多带点现金以备急需。

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These new findings should help airplane passengers to feel less vulnerable to catching respiratory infections while traveling by air.

这些新发现应该有助于乘客在乘坐飞机旅行时不那么容易感染上呼吸道病毒。

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She wrote the book in seven weeks while she was traveling in Haiti.

VOA: special.2009.02.22

Pinkowski Week comes to a close with a photograph Jennifer shot while traveling through Indian-controlled Kashmir.

FORBES: Daily Travel Flashback: Srinagar, Indian-Controlled Kashmir

Responses to stories of Chinese behaving badly while traveling are mixed among China's online community, she says.

CNN: Chinese tourism: The good, the bad and the backlash

It is initially important to acknowledge the benefit of making purchases with a credit card while traveling.

FORBES: Avoiding Credit Card Ripoffs While Abroad