"So if the Dutch want to maintain their quality of life, they have to increase productivity or increase their labour supply."
在冈比亚中河区，中国援冈比亚农业技术合作项目组面向当地农户开展水稻联合收割机技术示范教学活动。。关于这个话题，WPS下载最新地址提供了深入分析
FT Videos & Podcasts，这一点在51吃瓜中也有详细论述
Fishing industry，详情可参考91视频
Shortcut Pre-calculation: For the most commonly used speed profiles, the travel costs (time/distance) for shortcuts between border points within each cluster are pre-calculated and stored. (Each border point effectively has an "entry" and "exit" aspect for directed travel).