一个英语句子的语法成分的求解析
manydoctorsbelievethatvaliumgivespeoplefalsehopeandarguethatwhilemanypatientsfeelbetterwhentheyinitiallybegintakingthedrug,thefeelingsareshortlived.
aeguethat后面的语法成分不大懂,貌似while到逗号处可以提出来放到最后面,主要想问这个句子的语法怎么理解?