How to explain "would be "in english in this sentence?
It's a dialogue in Friends S01E10

Monica : W-wait. What is that?

Ross : 'That' would be Marcel. You wanna say hi?

Question

How to explain "would be "in english in this sentence?
It's a dialogue in Friends S01E10

Monica : W-wait. What is that?

Ross : 'That' would be Marcel. You wanna say hi?

Answer

Enchanted,
"Would" has several meanings.

If he is introducing the monkey then "That would be Marcel." has the meaning of
That, unlikely as it seems, is  Marcel.

Answer

"Would" 是"will" 的过去式。它的用法之一是表示可能性或者预期的行为。