My dad's not alone. There's about 35 million people globally living with some kind of dementia, and by 2030 they're expecting that to double to 70 million.
我爸爸并不孤单。全球有约 3500 万人生活在某种形式的痴呆症影响下， 预计到 2030 年，这个数字会加倍而达到 7000 万。