当前分类下找不到" Overall+efficiency+of+the+system+is+extremely+low+currently,+thanks+to+a+low+concentration+of+those+photon-catching+structures,+but+individually+they+capture+about+40+percent+of+the+light's+energy,+meaning+a+higher+concentration+could+make+for+very+hearty+soup+indeed.+"的例句。