Use a black pen on white paper to ensure good reproduction.
用白紙黑筆，以確保復(fù)印清晰。
She's been in a really black mood all day.
她一整天都心情很壞。
One cat is black and white, the other solid black.
一只貓是黑白花色的'，另一只貓是純黑色的。
The company viewed the venture as a financial black hole.
公司認(rèn)為該項投資是財政上的一個大黑洞。
The hill appeared as a black mass in the distance.
遠(yuǎn)遠(yuǎn)地看去，那座山是黑魆魆一片。