There are plenty of tiny torches out there, but how about a flat-pack light that is small enough to fit in your wallet.
今有大量的微型手电筒问世，但一款可折叠起来，小得足以放入口袋的灯泡是不是很稀奇呢？
There are plenty of tiny torches out there, but how about a flat-pack light that is small enough to fit in your wallet.
今有大量的微型手电筒问世，但一款可折叠起来，小得足以放入口袋的灯泡是不是很稀奇呢？
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