What Epstein was ultimately after, the DOJ documents suggest, was a “donor-advised fund”—a charitable vehicle through which Gates would help manage the wealth of newly-minted billionaires. Epstein, the documents show, thought he and other donors could profit from the fund’s fees by reducing their taxes. Epstein had been pushing the idea since at least 2011, the DOJ emails show, and for a time Gates was supportive, even offering to talk about it at a dinner that Ray Dalio and Paul Tudor Jones were expected to attend. But the project stalled, and as the years wore on and Gates stopped engaging directly, Epstein’s tone shifted from pitch to pressure to what appears to be a blackmail attempt. That escalation—and where it led—would play out through the network of intermediaries Epstein had spent years cultivating.
重复遍历数组，比较相邻元素，如果顺序错误就交换，更多细节参见新收录的资料
。新收录的资料是该领域的重要参考
optional log; means the script can function without logging — calls to log.info() are silently ignored if the host doesn’t provide the log capability.，更多细节参见新收录的资料
In this era of tremendous change, any leader who wants people to follow them needs to build trust.