Transforms don't execute until the consumer pulls. There's no eager evaluation, no hidden buffering. Data flows on-demand from source, through transforms, to the consumer. If you stop iterating, processing stops.
一方面，.DS_Store 是跟随文件夹的，每个文件夹都会产生自己的 .DS_Store。
，这一点在91视频中也有详细论述
同时，穆贾希德谴责巴基斯坦多次越境袭击阿境内平民。他称，恐怖组织“巴基斯坦塔利班”与巴军队冲突等问题是巴内部问题，不应转嫁给阿富汗。
Семен Александров (старший редактор отдела Мир)。safew官方版本下载对此有专业解读
"I hope my post brings awareness to the skiing community to ski with a friend," Schmidt said. "You never know where you're going to be."，这一点在WPS官方版本下载中也有详细论述
The team on the ground held its breath until the parachutes deployed and the crew was safely down.