Current shortterm tours are main for travel groups and the prices are relatively lower as well as it is essential to book in advance.

浙 江新世界国旅市场部负责人陈苑苑表示，目前推的短线产品主要是针对团队客人的，价格也相对优惠，需要客人提前报名。

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Buffett set a specific price-to-book-value target for the buybacks, saying Berkshire ( NYSE: BRK-B) would buy back its own shares but only at prices up to a 10% premium over the then-current book value of Berkshire shares.

FORBES: The Importance of Book Value