叮! 谢喽~ 速度 1:38, 259 2:44, 381 The key to using leverage successfully is common sense, realistic assumptions, and a clear-eyed understanding of the risks. 1:57, 241 2:04, 271 2:35, 282 越障 5:52, 740 Funders are investing funds in a project, and thus are expecting a successful outcome.