What does the expression swan song generally refer to

What does the expression swan song generally refer to What does “It” refer to in the last sentence What does the underlined word some refer to? What does the underlined word"them"refer to是什么意思? 英语翻译1.What does inventory refer to?What does the cost of inv What does 'a cold welcome 'refer to 根据短文回答：What does the underlined word "them"refer to?A.The tw 英语翻译What does the underlined word "it" Refer to in the lasts What does "it" refer to here?为什么要加to? what dose the outback usually refer to 英语翻译what does' a cold welcome ' refer to 英语翻译what does " a cold welcome' refer to?