a referral letter

believe it or not

belief

recorded history; believable history

Sino Centre, a teenager's mall in Hong Kong

Shun Tak Centre, a mall which connects to the Macau Ferry Pier in Hong Kong

extremely confident

Information Industry

National Information Infrastructure

have one's words at hand / have material, etc. at one's fingertips

keepsake, token

a credit card

Envelope

letter box

mail content

Signal flare

flare gun

believe in heresy

to make souvenir gift

Subpoena

homing pigeon;carrier pigeon

anonymous letter

Get the letter; to earn the trust

voice message

a dismissal letter 

verb; send a letter

Jeff Chang, name of a Taiwanese singer

love letter

Condolence letters

(noun) souvenir; a gift given to someone when visiting them