Environmental protection Today on a bed early, and sister together to the library. Found that there are a lot of big brother elder sister the elder sisters still on the weekend in learning, I also soon bl
"co"As well as the magazine's "president" in English。这是你原话的翻译。主管:Competent。名词 person in charge 动词 be in charge of/be responsible for。主办:Host。动词 host。协办:Co。社长:Director。