Now, a lesion that looks like leukoplakia, but isn't, is an area of frictional keratosis.

如图是一种看起来像口腔黏膜白斑，但其实不是的病损——摩擦性角化。

An economy is considered to be at full employment when there's only frictional and structural unemployment.

在只有摩擦和结构性失业的情况下，经济被认为是充分就业。

An area of frictional keratosis is not a precancerous lesion and usually fades away once the irritation stops.

摩擦性角化不属于癌前病变，一般当刺激因素去除后，它会自行消退。

But there's all of these frictional costs.

但所有这些摩擦成本都是存在的。

This postulate is compatible with what may be called 'frictional' unemployment.

这个假设与所谓的“摩擦性” 失业是相容的。

But these two categories of 'frictional' unemployment and 'voluntary' unemployment are comprehensive.

但这两类“摩擦性” 失业和“自愿性” 失业是综合性的。

So that's a frictional cost, but it's really smaller than the futures product.

所以这是一个摩擦成本，但它确实比期货产品要小。

Furthermore, it will be convenient to exclude 'frictional' unemployment from our definition of 'involuntary' unemployment.

此外，从我们对“非自愿” 失业的定义中排除“摩擦性” 失业会很方便。

The Big M 500 features a separate transferred gearbox that offers frictional connection for the mowers.

Big M 500 具有独立的传输变速箱，为割草机提供摩擦连接。

It  results in despair—a depressed, apathetic state; a failed, lost, and unrealized self; a frictional  experience of existence.

它会导致绝望——一种沮丧、冷漠的状态；一种失败、迷失和未实现的自我；一种摩擦的存在体验。