Then there are other commodities like... frozen orange juice... and gold. Though, of course, gold doesn't grow on trees like oranges.

Randolph Duke (Ralph Bellamy)

13 seconds sound clip from the Trading places (1983) movie soundboard.

You can hear this line at 00:56:48 in the Blu-ray version of the movie.

Quote context

[...]

- This is not a meal, Valentine.

- We are here to try to explain to you, what it is we do here.

- We are commodities brokers, William.

- Now, what are commodities? Commodities are agricultural products. Like coffee, that you had for breakfast. Wheat, which is used to make bread...

- Pork bellies, which is used to make bacon, which you might find in a bacon, lettuce and tomato sandwich.

- Then there are other commodities like... frozen orange juice... and gold. Though, of course, gold doesn't grow on trees like oranges.

- Clear so far?

- Yeah. (6)

- Good, William.

- Now, some of our clients are speculating that the price of gold will rise in the future.

[...]