第三个不确定性来自平台和算法规则。
The organization’s chief growth and program officer, Whitney Petersmeyer, told The Guardian that “responding to the opportunity for purpose and responsibility at a time where many entry jobs feel uncertain or disconnected from impact.”
，这一点在PG官网中也有详细论述
you want a config where you understand every line, if you want
Store the embedded data in sorted form to remove the need to use hash tables.