来自谭毅华的问题
帮我解释一个这个句子Oneofthebasicprinciplesofwildlifeconservation（involvesproviding）adequatenaturalfoodandsheltertomaintainpopulationsofeachspeciesinagivenhabitat还有就是上面括号括着的,为什么involve
帮我解释一个这个句子
Oneofthebasicprinciplesofwildlifeconservation（involvesproviding）adequatenaturalfoodandsheltertomaintainpopulationsofeachspeciesinagivenhabitat
还有就是上面括号括着的,为什么involves后面要跟ing得形式呢?是因为他作为宾语?作为谁的宾语啊?
