⋯⋯的动力
动力 (dònglì) means "driving force," "motivation," or "power." It refers to the energy or impetus that propels something forward, whether in a physical, economic, or personal sense. For example, 经济的动力 means "the driving force of the economy."
创新是经济发展的主要动力。
Chuàngxīn shì jīngjì fāzhǎn de zhǔyào dònglì.
Innovation is the main driving force of economic development.
孩子是她不断努力工作的动力。
Háizi shì tā bùduàn nǔlì gōngzuò de dònglì.
Her children are the driving force behind her continuous hard work.
这台机器的动力不够,需要升级。
Zhè tái jīqì de dònglì bú gòu, xūyào shēngjí.
This machine doesn't have enough power and needs to be upgraded.