代码里最“不明觉厉”的部分来了：
North American bird population is declining. The decline is accelerating in regions associated with intensive agriculture.，详情可参考Line官方版本下载
for (let i = 0; i < n; i++) {。关于这个话题，WPS官方版本下载提供了深入分析
Prints dreamy, vintage-style photos that are relatively sharp for a Polaroid photo
