Perhaps Hannigan's finest moment, though, comes at the very end, as a secret track.

译者注。不过，或许Hannigan最为出彩的时刻出现在最后的那段秘密的音轨。

youdao

While the cruise line association does not track cruise prices, it is no secret that lines have been discounting heavily.

虽然邮轮协会不会追踪邮轮产品的价格，但是邮轮航线大打折扣已经不是什么秘密了。

youdao

But its secret sauce is special software that, among other things, keeps track of the millions of orders and makes sure that covers do not end up on the wrong books.

但是在所有资源中，其秘密技术在于专门的软件，这种软件能够追踪数以百万计的订单，以确保封面不会装错书。

youdao

It's no secret that Amazon and other digital book retailers track and store consumer information detailing what books are purchased and read.

WSJ: Your E-Book Is Reading You