"Then there was the 80-year-old couple from Alaska who joined a yacht in Greece -- they contributed as deck hands but also told great stories to keep the crew entertained."

“曾有一对来自阿拉斯加的80岁的夫妇，在希腊登上一艘游艇——他们不仅在船上做帮手，而且还给船员讲有趣的故事逗他们开心。”

Teach the kids

做家教

It's not just the adults that need entertaining on board -- there's also their children.

在船上，不仅大人需要娱乐——他们的孩子也同样需要。

Families traveling the high seas may need a teacher or nanny to care for youngsters on long voyages.

在公海上进行漫长的家庭旅行时，请教师或保姆来照顾他们的孩子或许很有必要。

"We had one family who were circumnavigating Australia and needed a teacher to home-school their children," said Gretener, adding "As much as you're sailing the world for free you're still contributing in some way, whether it be your time or expertise."

“我们曾有一个环游澳大利亚的家庭，需要一名教师为他们的孩子作家教，”格林特纳说，然后又补充道：“游览世界虽然没有破费你的金钱，但你需要以某种方式付出作为等价交换，时间或者专业知识。”

Jump on a research ship

随行考察船

From submarines to superyachts, vessels looking for volunteers come in all shapes and sizes -- including research ships.

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