You either make the substitution or you are leaving my field.

你要么人，要么走人。

Two. The game allows unlimited substitutions from the bench during stoppages and play.

二，比赛进行和暂停时，可以进行不限次数人。

So, two common substitutions made by non-native speakers.

所以，这是非母语人士常用两。

Such small substitutions have minimal effect on the overall melody.

这种小对整体旋律影响极小。

You can have the substitutions are one-note changes to another note.

你可以让单一音符变成另一，形成代。

He's no expert. - Right. It's a simple substitution code...

他不是码专家 没错 这就像小时候上童军课。

And also, another reason why it's so difficult is because there are many substitutions to both of these sounds.

而且，另一困难原因是这两音都有很多代音。

During the third phase, substitution, the technology faces the highest barriers to adoption.

在第三阶段，即代阶段，该技术面临着采用障碍。

Ooh, it might be a substitution cipher. We could start with basic cryptanalysis.

甚至有可能是式码。我们可以从基本码分析着手。

We can make this equation much easier to work with by using " u" substitution.

我们可以用元法使这方程更容易处理。

I'm also going to talk about the common substitutions that non-native speakers make.

我还将讨论非母语人士常用词。

" CPI doesn't allow for immediate substitution, which exacerbates the divergence, " says Julie Smith of Lafayette College.

“CPI不会将即时置计算在内，这就会导致差距扩大，”拉斐特学院朱莉·史斯说。

So this is the substitution that they would use.

所以这就是他们会使用代品。

Had it indeed been prayer that had produced the substitution?

真是祈祷产生了代吗？

Try to avoid these substitutions and get comfortable with the TH sound.

尽量避免这些并适应 TH 声音。

But having a cardboard cutout is no substitution for having a real six pack.

但是，纸板剪纸并不能代真正六块腹肌。

And to do that I'll make a simplifying substitution.

为此，我将进行简化。

And x is, by this substitution, n times a.

通过这种，x 是 n 乘以 a。

Another nifty and lesser known tool is called process substitution, which is kind of similar.

另一漂亮但鲜为人知工具称为进程，它有点相似。

They're considered substitution therapy -- basically fighting fire with fire.

它们被认为是代疗法——基本上是以毒攻毒。