Preview的英文解释:an opportunity to see something such as a film or a collection of works of art before it is shown to the public， or a description of something such as a television programme before it is shown to the public。
不懂业务的产品经理不是好产品经理，近期笔者翻阅了产品专家精华文章和书籍，发现一个共识就是他们都有着较深厚的业务理解，且垂直深耕支付行业10余年，在当下大环境下，求职如此内卷，行业深耕是面试成功重要因素，产品作为业务需求的上游，理解业务更为重要。
英语的词汇量大，总词汇量至少在百万以上，实用词汇量为八干至一万，基本词汇量为四千。英语词汇量的大小直接影响了英语听、说、读、写等各方面能力的发展。如何解决这个问题?虽然英语单词浩如海洋，但它们并不是杂乱无章、无规可循。若能识得其潜在的规律，便可迅速而又大量地识记英语单词。
Unit 1How can we become good learners?textbook[tekstbuk]n. 教科书；课本conversation[kɔnvəseɪʃn]n.交谈；谈话aloud[əlaud]adv.
本期节目的问题Dear BBC Learning English,Thank you for the excellent work. I have benefited greatly from BBC Learning English.
Cementing organizational leadership. People’s courts at all levels shall attach great importance to the development and application of blockchain in the judicial field， strengthen coordination， and specify leading departments in charge of overall progress and management of blockchain application.
