Clause A,其后 + Clause B
The conjunction 其后 (qíhòu) means "thereafter," "after that," or "subsequently." It is a formal connector used in written Chinese to indicate that one event follows another in time, linking two clauses or sentences.
他大学毕业,其后去了一家外企工作。
Tā dàxué bìyè, qíhòu qù le yī jiā wàiqǐ gōngzuò.
After graduating from college, he subsequently went to work at a foreign company.
公司成立于二〇一〇年,其后发展迅速。
Gōngsī chénglì yú èr líng yī líng nián, qíhòu fāzhǎn xùnsù.
The company was established in 2010, and subsequently developed rapidly.
她先学了法语,其后又开始学西班牙语。
Tā xiān xué le Fǎyǔ, qíhòu yòu kāishǐ xué Xībānyá yǔ.
She first learned French, and afterwards started learning Spanish.