Chinese phrase
〜之所以发生，主要是因为〜 〜 zhī suó yǐ fā shēng zhǔ yào shì yīn wèi 〜
Meaning
The main reason why ___ happened is that ___
When to use it
States the main reason why an event happened. It links an event with its main cause and is common in clear explanations.
Example dialogue
工业革命为什么会发生？ gōng yè gé mìng wèi shén me huì fā shēng
Why did the Industrial Revolution happen?
工业革命之所以发生，主要是因为生产技术不断进步。 gōng yè gé mìng zhī suó yǐ fā shēng zhǔ yào shì yīn wèi shēng chǎn jì shù bú duàn jìn bù
The main reason the Industrial Revolution happened is that production technology kept advancing.