Getting very little sleep during the week and trying to "catch up" on the weekends is not a good idea because it alters your sleep schedule.
每周只有少量的休息，并且试图在周末“补回来”，那么这并不是个好主意，因为这改变了你的生物钟。
“There are those people who go to Marin and hike on the weekends, but I think people live in cities because they are city people, ” she said.
她说：“有很多人周末远行接近大自然，但我想人们生活在城市中因为他们是城市人。”
I don’t ride my bicycle very often because (or, since) it’s faster to take the bus to university although (or, but) I do use it on the weekends when I have no classes.
我不怎么骑自行车，因为坐公交去大学更快。但是当周末没课时我也会骑自行车。
To stay on schedule, your developers must work weekends and extra hours for extended periods, because they are the only ones who can continue new feature development and fix defects in this area.
为了按时完成工作，你的开发人员不得不为延长的产品周期而付出在周末加班的代价，因为他是这个部分唯一可以继续新特性开发和修正错误的人员。
Indeed, I'd actually avoided sending the email on weekends because I thought it would lower the open rate.
事实上，我会避免在周末发送邮件，因为我认为周末的邮件阅读率不会高。
Firefox's relative usage is often higher on weekends because many businesses have only IE installed on their machines, boosting Microsoft's share.
FireFox影响微软占有率的安装副本大多用于商业用途的机器上.
The waiters in the restaurant are very busy on weekends, because people all go out to dinners.
饭店的服务员在周末很忙碌，因为人们都外出吃饭。
Because many of the older people work, these courses will be given in the evenings and on weekends.
由于许多老年人工作，这些课程并在晚上或周末睡懒觉。
I like singing in my spare time because it makes me relaxed. Also, I like dancing and playing computer games at night or on weekends.
我平时喜欢唱歌因为这让我放松，我也喜欢玩电脑游戏或跳舞在周末或晚上。
I don't ride my bicycle very often because (or, since) it's faster to take the bus to university although (or, but) I do use it on the weekends when I have no classes.
我不怎么骑自行车，因为坐公交去大学更快。但是当周末没课时我也会骑自行车。
Popular beauty and hair salon. Book your reservation in advance for the master stylists, because there can be a rush on the weekends.
非常受欢迎的美容美发店，为您精心缔造适合的发型和妆容。
These days, Chinese children are sometimes busier on weekends than weekdays because they have to take so many after-school classes.
目前，中国的孩子有时周末比平常还要忙，因为他们不得不上那么多的课后辅导班。
But I do know that it is a hobby which truly keeps me happy in my free hours, and I heartily recommend it to people who find that time moves sluggishly on weekends because of having nothing to do.
但我却知道，它是真正让我在闲暇时保持愉快的嗜好，而且我诚心推荐给那些因没事做而觉得周末难挨的人。
But I do know that it is a hobby which truly keeps me happy in my free hours, and I heartily recommend it to people who find that time moves sluggishly on weekends because of having nothing to do.
但我却知道，它是真正让我在闲暇时保持愉快的嗜好，而且我诚心推荐给那些因没事做而觉得周末难挨的人。
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