价值链是通过其创造并将产品或服务交付给客户的一系列活动。
The value chain is the set of activities through which a product or service is created and delivered to customers.
The best preparation for tomorrow is doing your best today.
每一次站在舞台上,我都希望能把最好的音乐带给大家。
嗓音是一种独特的乐器,因为它承载的不仅是声音,还有我们是谁的本质。