1. calculate v: ¼ÆËã
You can calculate easily with the help of computer.
I must calculate how much money I spent last week.
He calculated the costs very carefully.
2. common adj: ¹²Í¬µÄ£¬Í¨ÓÃµÄ£¬ÆÕÍ¨µÄ£»in commonÓÐ¹²Í¬Ö®´¦[À´Ô´:email@example.com^o%&#m]
We have much common interest.[ÖÐ%*&¹ú@½ÌÓý³ö~°æÍø]
Rice is common in south.
Smith is a very common last name in England.[w*ww.~z@zstep.%co#m]
Those two have something in common.