牌子的英文：
sign
trademark

参考例句：

In the overall quality, benz cars are a notch above all the other Brands.
从汽车的整体质量而言，奔驰轿车比其它任何牌子的轿车都好。

Which brand?
什么牌子?

Aerograph: Trade name for a particular type of air brush.
喷笔的一个牌子。

This brand dyes well.
这种牌子的染料染得好。

This brand of leather shoes is of attractive design.
这种牌子的皮鞋，式样美观。

Sorry, we don't carry that brand.
对不起，我们没有这个牌子的。

Please have a smoke. It's a new brand.
请抽烟。这是新牌子的。

There is a lot of chrome on cars of that model.
那种牌子的汽车上涂有许多铬黄。

The color TV of this Brand ranks first in quality among similar products.
这种牌子的彩电质量居同类产品之首。

I' ve lost the check for my overcoat
我把寄存大衣的牌子弄丢了。

sign是什么意思：
n. 迹象；预兆；记号，符号；手势；信号，暗号
v. 签名，签署；示意；打手势；用信号表示

This is a superscript sign.
这是个标在上方的符号。

This is a hopeful sign.
这是一个乐观的信号。

Scorpio is an Autumn Zodiac Sign（ as are the Signs of Libra and Sagittarius）。
天蝎：黄道十二宫的第八宫，每年10月23日前后太阳到这一宫。

The teacher signed to us to sign our names on the papers.
老师示意我们把自己的名字写在试卷上。

What does the sign figure?
这标志象征着什么？

trademark是什么意思：
n. 商标；特征，标志

It is the trademark of the country.
它是该国的标志。

All trademarks are property of their respective trademark owners.
所有商标之所有权归于该商标的所有者。

A trademark used for the sedative pentobarbital sodium.
宁眠泰尔戊巴比妥钠镇静药的商标

A trademark used for an anesthetic preparation of procaine.
奴佛卡因商业标记，用于普鲁卡因的麻醉准备

The registration of a trademark shall be renewable indefinitely
商标的注册应可以无限续展。