俯拾皆是

fǔshíjiēshì
  1. lit. so numerous that one could just bend down and pick them up (idiom)
  2. fig. extremely common; easily available

CEDICT

to be numerous and easy to get

Wiktionary

形容到处都有，很容易取得。

重編國語辭典

数量很多，到处都是，很容易取得

維基詞典

Entry Composition

=1 俯 fǔ variant of 俯 fǔ
=1 俯 fǔ
  1. to look down
  2. to stoop
2 拾 shí
  1. to pick up
  2. to collate or arrange
  3. ten (banker's anti-fraud numeral)
3 皆是 jiēshì
  1. (literary) all are
  2. all are