He read an ad about a car in a magazine and sent the money for it sight unseen.

他在杂志上看到一则汽车销售广告，连货都没看就汇钱去买。

youdao

Although people sometimes buy property sight unseen, it 'sa remarkably bad idea.

尽管人们有时没看房就买了房，但这真是一个很糟糕的主意。

youdao

We bought the table sight unseen and were pleased to find it was perfect for our kitchen.

我们事先没看就买下了那张桌子，发现放在厨房里合适极了，这使我们很高兴。

youdao

"We buy cars online, sight unseen, subject to the customer giving an accurate description" of the car, Mr. Maroone says.

WSJ: That Car in the Driveway Is Now Worth More

Despite the current atmosphere of distrust, falling in love sight unseen, often through the written word, has been happening for centuries.

CNN: Why it's really possible to fall in love online

Not surprising I suppose, the lawsuit makes no mention of the perhaps questionable judgements of the plaintiffs who bought the product(s) sight unseen.

FORBES: Apple and AT&T Sued Over iPhone Performance