"we must instill a sense of duty in our children"
"every right implies a responsibility; every opportunity, an obligation; every possession, a duty"
"the duties of the job"
"they signed a treaty to lower duties on trade between their countries"
来自柯林斯例句
来自柯林斯例句
来自柯林斯例句
来自柯林斯例句
来自柯林斯例句