on a shoestring 这个词的来源?

on a shoestring 这个词的来源? LONELY PLANET SOUTHEAST ASIA ON A SHOESTRING怎么样 shoestring he does know how to travel on a shoestring.does是作动词吗而且does翻译成的确 英语翻译还有一句，就是along with imagination it takes courage.the courage takes a chance to start something on a shoestring. careless shoestring什么意思 They often () in the Mc Donald's. 提示：这个词是e开头的 If there is a sports game on TV.Lucy oftenIf there is a sports game on TV.Lucy often () Kate.提示：这个词是c开头的. 有go on holiday这个词吗 它等于be on holiday或have a holiday吗 keep on .go on .hold on里面的词怎么用?有hold on这个词吗keep on .go on .hold on里面的词怎么用?有hold on这个词吗? Tom!you 're wanted / the phone.a:on 为什么用这个词? hold on 好多歌曲里面有这个词,好象不仅仅是“稍等”的意思吧? as time going on 这个词对吗? Mendoza met Humphries in the ring on a later occassion and he lost for a second time.其中 in the ring 在此做什么翻译讲?如果是“随后”的意思为什么用这个词? 多啦A梦这个词是怎么来的啊. succeed in和succeed on的区别.谁能说说succeed 这个词的用法?谁能说说succeed 这个词的用法? degreening这个词是什么意思?在读文章的时候遇到的,完全不知道改怎么讲,原句：Application of fludioxonil at 250–1200 mg/L on oranges using a simulated commercial drench system before fruit ethylene degreeningreduced diploda she went to a room on the first floor where she met her future husband .这里为什么用where?到底应该看填的这个词的后面还是前面?那这句呢?he then went to oxford university ___he pursued studies. 请问being 为什么在托福听力里面老师听到这个词?比如说：the paper is running a new series of stories about some of the research being down on campus.这里面的being down总不是难过的意思吧?