Working with the sample above, what happens when you want to produce output using only the alpaca map?

使用上面的示例，如果想只使用羊驼地图生成输出，会发生什么情况呢？

Llama and alpaca farmers have been badly hit by recurring water shortages.

大羊驼和羊驼养殖者受到反复出现的水资源短缺的严重打击。

Alpaca and sheep farmers have also got involved, according to the San Francisco-based charity.

据这家总部位于旧金山的慈善机构称，饲养羊驼和牧羊的农场主也参与了进来。

Pianezzi, who said he has competed at the Dog Surfing World Championships, came up with the idea of surfing with an alpaca.

曾参加过世界狗狗冲浪锦标赛的Pianezzi萌生了与羊驼一起冲浪的想法。

Pianezzi has slowly introduced his alpaca, a domesticated animal from the Andean highlands, to the water over the past several months.

在过去的几个月里， Pianezzi 慢慢地将他的羊驼引入了水中，该羊驼是一种来自安第斯高地的驯养动物。