They found some pretty significant changes compared with research conducted 15 years ago.

研究发现，与15年前做的调查相比，有了很大的改变。

youdao

Previous research has compared a product or pill with a placebo (a dummy treatment) rather than other smoking cessation products.

以前的研究是将一个产品或药物和安慰剂(一种虚拟疗法)相比较，而不是比较其它戒烟产品。

youdao

Still, when it comes to writing, Forgas' research suggests that, compared with happy folks, grumps were able to convey ideas with more clarity and precision.

同时，当谈到写作时，福加斯的研究发现，与幸福的人相比，脾气坏的人传达的信息更清晰精确。

youdao

Brazil spends a paltry 1.1% of its GDP on research and development compared with 1.4% in China and 3.4% in Japan.

ECONOMIST: Schumpeter: The Brazilian model | The

Only 27% of Democrats support keeping troops in Iraq, according to a recent poll by the Pew Research Centre, compared with 81% of Republicans.

ECONOMIST: A survey of America and the world

It also points to your place on the food chain: People who are high-status tend to look longer at people they're talking to, compared with others, says a 2009 research review in Image and Vision Computing.

WSJ: The Decline of Eye Contact