1、Should be set aside half of its shape patches thickness, if too close to the roadside, on the outside half of STH easily damaged, the shape will vanish hard.(应该留出其成形绿篱厚度的一半，如果太贴近路边，靠外的半边容易损坏，辛辛苦苦的造型就会毁于一旦了。)
be set on sth