Right. So home-schooling helps with using time productively I guess?

对。在家上学可以有效利用时间，对吧？

In 2012 Facebook experimented with using data to manipulate emotions.

2012年，脸书尝试使用数据来操纵用户的情绪。

The families that we are working with use candles, gasoline lamps.

正在和我们一起工作的家庭家里用的是蜡烛和汽油灯。

You could replace any use of Italian hard cheese with that.

你可以用它代替任何意大利硬奶酪。

Many kids were caught with vapes, with using an e-cigarette.

但多孩子都开始抽电子烟。

Let's start with using " by" to show place or location.

让我们从" by" 来表示地点或位置开始。

Businesses are already experimenting with using scent to influence customers’ behavior.

企业也已经开始利用气味能影响顾客行为这一特点来进行实验。

But there was one problem with using copper as a catalyst.

但是使用铜作为催化剂有一个问题。

The Utah native credits his win with using a trick he created.

这位美国犹他人将取胜归功于自己独创的动作。

So just think how where and with whom you use this expression.

所以想想你如何在哪里和谁使用这个表达。

The best answer would be to improve the efficiency with which water is used.

最好的办法是提升水的利用效率。

Farmers can gather the pine straw by hand or with use of a machine.

农民可以用手或机器收集松木秸秆。

Could you go through some of the major challenges that come with using RL.

您能解决一下使用 RL 带来的一些主要挑战吗？

You should know that usually with this phrasal verb we use the word " Let" .

你应该知道，这个动词短语通常用 Let。

They read by lamps fueled with used cooking oil that is given to them by neighbors.

他们在用邻居送给他们的用过的食用油为燃料的灯下读书。

Tsarnaev has been charged with using a weapon of mass destruction and malicious destruction of property.

察尔纳耶夫被指控使用大规模杀伤性武器导致财产损失。

So did you notice how with all of those examples, I was using them across tenses?

你是否注意到了在所有这些示例中，我是用了不同的时态吗？

Another thing to note is that with the present perfect, we can use yet and already.

另一件事要注意就是在现在完成时中我们可以使用 yet 和 already。

These marks were identical, but with use as a Nazi symbol, the impact became very, very different.

这些标志是完全相同的，但被作为纳粹象征使用后，其影响就变得非常、非常不同了。

Imagination is like a muscle, both types of imagination become stronger with use and weaker without use.

想象力就像肌肉，这两种类型的想象力在使用后都会变得更强，而不使用就会变得更弱。