1. We mothers are, each of us, the only person on earth who has quite such an all-consuming interest in our child.
    普天之下做母亲的，无一不是为自己的孩子呕心沥血的。

2. And have little time for offering time-consuming and little-appreciated advice on such subjects
    所以没有多少时间提出一些既费时而又不受人欢迎的忠告，

3. Gone is the time-consuming stamping of prices on each item.
    往每件商品上打价格的费时劳务从此结束了。