例： Since 1978, the amount of money available to buy books has fallen by 17.
自1978年以来，可用于买书的钱已减少了17。
例： The shop has about 500 autographed copies of the book available for purchase.
这家书店有大约500本该书的签名版本出售。
例： all the available evidence suggests.
所有已获得的证据表明。
例： The drug is widely available.
这种药很多地方都可以买到。