本来这几天感慨地跟孩子说，DeepSeek可能要革了英语学习机构的命了，这话可不敢写在标题里，太招摇太容易树敌了。之前发的文章没想到迅速获得了400 ...

Scientists researching Alpine glaciers store ice in Antarctica. By analysing air bubbles in the ice they may be able to predict the future ...

See? “By” originally means “bye” or byway. That’s why, in fact, some people still spell “by the by” as “by the bye”. By the way, “that is by the by or bye” in this sense (secondary) is an idiom that ...