You can always add, but you can never remove.

你可以随时往里面加东西，但是你永远不能删除些什么。

youdao

Never remove the plugin folder of an inactive plugin.

请勿移除一个非激活状态插件的插件文件夹。

youdao

He can never remove milk from the bottle or pour milk anywhere except into the bottle.

他决不把瓶子里的牛奶倒出来或者把桶里的牛奶倒到别处。

youdao

Injustice, and the pain it inflicts on a person, you can never remove it unless you find some justice and I will continue to do so.

BBC: How Asil Nadir stole Polly Peck's millions

While the Republican-controlled House of Representative could impeach the President, the trial in the Senate would never result in the 67 votes necessary to remove the President from office.

FORBES: Alleged White House Leaks

Last year, for example, a spokesperson at Sony said that information on executive pay is never released to the public and asked us to remove their company from our table.

FORBES: About our table