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1·It's no wonder that these types of machines can cost up to tens of millions of dollars (though most are single-digit millions).

所以说，这些形态各异的机器每台都价值上千万美元(其实大多数都在几百万左右)也不足为奇了。

2·Tingshuo recognises what each digit in a two digit number represents and is able to identify how many tens and units there are.

朔宝能够识别一个个位数在两位数中的表述，并且能够说出里面有几个十位数和几个个位数。