人们只注重标记可见内容，很容易滥用不可见的内容，或者让不可见内容与可见内容失去同步。

An emphasis was placed on only marking up visible content; it's easy for invisible content to be abused or go out of sync with visible content.

youdao

这七日之久，要吃无酵饼；在你四境之内不可见有酵的饼，也不可见发酵的物。

Eat unleavened bread during those seven days; nothing with yeast in it is to be seen among you, nor shall any yeast be seen anywhere within your borders.

youdao

对于不可见Flash，这其实没什么影响 — “您需要安装最新版本 Flash”的 SWF 其实也不可见（当然，也是1x1像素）。

For invisible Flash, this does not really matter—the "you need to install the latest version of Flash" SWF is also going to be invisible (well, a 1x1 pixel anyway).

youdao

即光是可见的，但波长是不可见的；可以说人是瞎子，但不可以说视力是瞎的。

Blind eyesight; visible wavelength are logically flawed arrangement; it should be "blind people", "visible radiation" instead.

youdao

即光是可见的，但波长是不可见的；可以说人是瞎子，但不可以说视力是瞎的。

Blind eyesight; visible wavelength are logically flawed arrangement; it should be "blind people", "visible radiation" instead.

youdao