因为谁也不知道，也许你放弃的那一个的英文

cos who's to know which one you let go

• 因为:    because; for; on a ...
• 谁:    who
• 也:    also; too; as well ...
• 不:    a block of wood
• 知道:    know; realize; be ...
• 也许:    perhaps; probably; ...
• 你:    you
• 放弃:    give up; abandon; ...
• 的:    4次方是 The fourth po ...
• 那:    a surname
• 一个:    one; a; an