Gōngsī de guīzhāng zhìdù, měigè yuángōng dōu yào lànshúyúxīn.
Every employee must know the company's rules and regulations by heart.
Tips
memory
烂熟 literally means 'cooked to mush', so thoroughly cooked it falls apart. Applied to memory, it means you've processed the material so completely it's part of you.
