1. First, however, we made ourselves virtually unrecognizable to our friends and even to our families.
    但是我们首先把自己打扮得几乎连朋友、甚至家人都认不出来。

2. Fiber-optic cable, for example — made up of hair-thin glass fibers — is a tremendously efficient carrier of information.
    例如，光纤电缆 -- 由细如发丝的玻璃纤维制成 -- 是一种极为高效的信息载体。

3. Fuelled by the immense value attached to youth, it has made millions out of vacant promises of renewing faces and bodies.
    青春具有巨大的价值，这大大刺激了美容业，使其得以从它的那些使我们面容、身体焕然一新的空洞许诺中赚了数百万元。