本集核心英语单词及例句：

1.certificate (n.)证明书；文凭，结业证书
This is Jack's birth certificate.
这是杰克的出生证明。

2.listing (n.)列表；名单
A full listing of the companies will be published quarterly.
公司名录大全每季度出版一次。

3.award (n.)奖品；裁定书
She presented a bravery award to schoolgirl Caroline Tucker.
她向女学生卡罗琳·塔克颁发了英勇奖状。

4.exchange (n.)交换；交易；交易所
Thain forced the exchange to embrace electronic trading.
塞恩迫使该交易所采取电子交易系统。

5.complicated (adj.)结构复杂的,混乱的,麻烦的
The relationship between exercise and weight loss is complicated.
锻炼和减肥间的关系是复杂的。