1. 它的起源至今仍是个谜。

[ tā de qǐ yuán zhì jīn réng shì gè mí 。 ]

Its origin is still a mystery now.

2. 即使她不爱我，我还仍然爱她。

[ jí shǐ tā bù ài wǒ ， wǒ hái réng rán ài tā 。 ]

I'll still love her even if she doesn't love me.