You can serve the dish plain without the soy or oyster sauce.

你可以不加酱油或蚝油地把这道菜做得简单点。

youdao

So all these help to create an attitude of conformity in the community, and you can see why a modest, a very plain style would have become so widely imitated throughout rural New England.

因此，所有这些都有助于在社区中形成一种从众的态度，你也可以明白为什么这种谦逊的、非常朴素的风格会在新英格兰农村地区被如此广泛地模仿。

youdao

You can substitute plain flour if you cannot find self-raising flour.

如果你找不到自发面粉，可以用普通面粉来代替。

《柯林斯英汉双解大词典》

If you have some plain text, some message that you want to send, well, you can encrypt it or you can scramble it using a key, a secret key, which might be a physical machine like the Enigma 13 or it might be a number like 13.

如果你有没有加密的文本，你想要寄送的一些消息,你就可以加密它,或者你可以用一个密钥使其变得混乱，那就像一个英格玛的物理装置,或者他就是一个数字。

哈佛公开课 - 计算机科学课程节选

There can be fighting without war but there can be no war without an organization that makes it something more than just plain fighting.

就算没有战争,争斗同样可以存在,但没有组织,便没有战争,组织使的战争的意义超出了单纯的争斗

耶鲁公开课 - 古希腊历史简介课程节选

As a result, approaching workers about unpleasant subjects such as insubordination, poor performance or plain bad behavior can be difficult.

WSJ: For Some Bosses, Tough Love Isn't Easy to Give

Changing business conditions, upstart competition, bad luck and just plain dumb decisions can knock the highest-flying companies off the Fab 50.

FORBES: Magazine Article

If you prefer something plain, you can order a Naked Dog.

BBC: London��s gourmet fast food fad