But you never will, you see, 'said Biddy.

“你明白，你是永远做不到的。”毕蒂说道。

youdao

'But you never will know,' she whispered.

“可你绝不会知道的，”她悄声地说。

youdao

By and by you will just naturally know one from the other, but you never will be able to explain why or how you know them apart.

渐渐地你自然会明白怎么区分它们，但是你就是解释不了为什么你知道或你是怎么知道它们之间的区别的。

youdao

But you will never find your passion in the modern way: by surfing or browsing.

CNN: Want a great career? Find your passion

But you'll never know, will you?

ENGADGET: MIT project uses cellphone data to predict activities

You'll never be happy, but you will then constantly be striving to get better and better!

BBC: Cumbria - Chris Packham's photography tips