It can help us recover our pets if they are lost. Farmers use it to keep track of livestock.
此外,它能够帮我们找回走失的宠物,农民大叔还能靠它放养家禽。
In Niger, more than 7 million people, about half of the population, lost their crops and livestock in a severe drought.
在尼日尔,约占总人口一半的700多万人在一次严重旱灾中失去了庄稼和牲口。
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