近年来，这些彩色蝴蝶的数量下降了。
The number of these colorful butterflies has dropped in recent years.
墙上挂着一百只彩色的纸蝴蝶，每只上面都有我的学生手写的愿望。
On the wall were a hundred colored paper butterflies, each with a handwritten wish on it from my students.
“那是赫比的蝴蝶！”尼克说，他的只注意到了那个彩色的亮点。
"That's Herbie's butterfly," Nick said, his eye going to the bright spot of color.
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