D. Catching the drift of the content instead of understanding every word and never waste too much time on single words.

作听力练习要重材料大意， 而不要力求听懂每个词，不要在单个词上浪费太多时间。

youdao

Don't waste time learning a lot of useless words in isolation. The best way of learning English words is to blurt out as many authentic sentences as you can.

不要浪费时间孤立地学习没有用的单词。学习英语单词最好的方法就是脱口而出尽量多的地道句子。

youdao

His rousing last words show him to be a man mindful of his legacy: "Don't waste time in mourning. Organise!"

他留给世人的最后话语表明，他是一位忠于其遗愿之士：“不要浪费时间哀悼我——组织起来！”

youdao

In other words, 100 percent of waste from these facilities is recycled, reused or otherwise diverted from area landfills.

FORBES: From the Gulf oil spill to the Chevy Volt

In other words, Facebook is a near-complete waste of time.

FORBES: Is Facebook Slicing $1.4 Trillion Out of U.S. GDP?