presumably是大概、据推测、可能的意思。
一、造句
1、Presumably the bad weather has delayed the flight.大概恶劣的天气使飞机误点了。
2、They have been purposefully perforated, presumably to be strung together.而且还被有目的的穿孔了，据推测是为了把它们穿起来。
3、一家开了好多年的餐厅最近关门了，我们猜测可能是因为房租太高，就可以说：The restaurant that has been around for many years recently went out of business, presumably because the rent prices went up too much.
4、很多互联网公司在 2018 年第四季度大量裁员，虽然它们自己会说这是正常的人事调整，但很多分析家会认为这是公司融资不足的表现。我们就可以说：
The fourth quarter of 2018 saw massive lay-offs in many technology companies, which, according to analysts, presumably means they failed to raise the funds they needed.
5、最新一期《经济学人》一篇关于阿富汗的文章中就用到了 presumably：Many analysts wonder whether the Afghan army can sustain such punishing losses in the long run
let alone the higher casualties that would presumably follow if it lost American training and air support.