Only one thing will solve this case — the little grey cells of the brain.

只有一样东西可以解决这个案子，那就是小小的灰色脑细胞。

youdao

The grey cells occupy only 5% of our brains - 95% is taken up by the communication network that runs between the grey cells!

灰色的细胞胞体占我们大脑的5%——灰质细胞之间通讯网络占95% ！

youdao

Memories of her are trapped in the grey cells of those who knew her, in photographs (analogue and digital), and in countless stories passed on by word of mouth.

了解她的人都知道，在她灰色脑细胞中的记忆内容都是有关摄影(模拟和数字的)和无数通过口耳相传的故事。

youdao

It depends on a recent body of work which suggests that the brain's white matter (the wiring that connects the main bodies of the nerve cells, or grey matter, together) is less dense and less abundant in the brain of an autistic person than in that of a non-autist.

ECONOMIST: Autism

But during adolescence the brain then ruthlessly prunes connections between brain cells, synapses, in the grey matter.

BBC: How could cannabis alter the teenage brain?

Eligible improvements (PDF) include not only energy-saving equipment such as insulation, lighting, and HVAC systems but onsite renewable energy (rooftop PV, wind turbines, and fuel cells) and water-saving upgrades such as low-flow plumbing fixtures and grey water systems.

FORBES: California Launches Nation's Largest Clean Energy PACE Program