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

二，比赛进行和暂停时，可以进行不限次数的换人。

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

在第三阶段，即替代阶段，该技术面临着最高的采用障碍。

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

所以，是非母语人士常用的两个替换。

Ivankovic's indecisiveness, particularly when it comes to substitutions, has become a glaring issue.

伊万科维奇的优柔寡断，尤其是在换人方面，已经成为一个突出的问题。

Such small substitutions have minimal effect on the overall melody.

种小替换对整体旋律的影响极小。

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

你可以让单一符变成另一个，形成替代。

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

你要么换人，要么走人。

These are all relatively simple substitutions that don't involve drastic lifestyle changes.

些都不需要生活方式的剧烈改变，只是选择一些相对简单的替代办法。

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

我们可以用换元法个方程更容易处理。

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

他不是密码专家 没错 就像小时候上童军课。

Treat this as a substitution exercise, guys, or as a listen and repeat exercise.

把当作一个替换练习，伙计们，或者作为一个听读的练习。

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

甚至有可能是替换式密码。我们可以从基本密码分析着手。

When the NFL went to unlimited substitutions in 1950, completely changed the nature of the game.

当 NFL 在 1950 引入无限换人规则时，彻底改变了比赛的性质。

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的替换词。

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

“CPI不会将即时的置换计算在内，就会导致差距扩大，”拉斐特学院的朱莉·史密斯说。

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

而且，另一个困难的原因是两个都有很多替代。

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

尽量避免些替换并适应 TH 声。

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

它们被认为是替代疗法——基本上是以毒攻毒。

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

但是，纸板剪纸并不能替代真正的六块腹肌。

If you can't find it, and a great substitution is also arrowroot.

如果你找不到它，一个很好的替代品也是竹芋。