hǎo hǎo xué xí , tiān tiān xiàng shàng
study hard and every day you will improve (idiom)
zhuā jǐn xué xí
to concentrate on studying hard
hǎo hǎo xué xí , tiān tiān xiàng shàng
study hard and every day you will improve (idiom)
shēn dù xué xí
deep learning (artificial intelligence)