Can anyone tell me the difference between hollandaise and bearnaise sauce?

谁能告诉我荷兰酸味蘸酱贝纳斯酱的差别？

He cuts off the tips of his asparagus starter and dips them in the accompanying sauce which he declares to be halfway between bearnaise and custard.

他切下开胃菜芦笋的尖，蘸上与之搭配的调味汁，他宣称这种调味汁的味道介于蛋黄酱和奶油蛋羹之间。