These are all essential questions to have thought out before one departs on a long trip, and the following guidelines can help you get set to afford to travel.

在动身前看看这些最基本的问题，遵守以下的这些旅游攻略能让你有能力负担旅游的费用。

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Both Couper and Segal say a trip in advance is an essential part of making your transition a success.

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If a battery is swallowed, a trip to the ER is essential.

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As for plastic surgery, no doubt it can make us feel better for looking better, but it's hardly essential--much like a meal at a fancy restaurant or a trip to the south of France.

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