Because Li does not bring her textbook to class, it seems like all of the knowledge is in her head, unlike many teachers who read along with the texts and make students underline the most important parts.
，因為曼韻老師上課不帶課本，彷彿所有的知識都在腦袋裡，不像有些老師只照著課本唸，然後要學生劃下重點。