They are all the basic form to get financial income. 都是取得财政收入的基本形式。
Parascending is the basic tow form of paragliding ,although the teams now have winches and can tow paragliders as well as ascending canopies. 拖引伞运动其实是滑翔伞运动的一种基本形式，尽管运动小组现在是利用绞车来牵引滑翔者和伞衣上升。
