Though drones can be harmful, they can be very helpful.
尽管无人机可能有害，但它们也可能非常有用。
Fruit juices can be harmful to children's teeth.
果汁可能损坏儿童的牙齿。
But too much stress can be harmful.
但是，太大的紧张和压力是有害的。
Having too much money can be harmful.
拥有太多的金钱是有害的。
Jogging can be harmful to the health.
慢跑有时候会对身体健康有害。
他们能有害吗？
However, television can also be harmful.
然而，电视也会有害。
Situations in which denial can be harmful.
在哪些情况下否认有害。
Smoking is known to be harmful to our health .
大家知道，吸烟有害健康。
This can be harmful to your health if ingested.
这东西若被吃下去对你的健康可能有害。
If money is lost, it will be harmful to society.
如果赔钱，则对社会有害。
On the other hand, advertisement can be harmful.
另一方面，广告也可能会造成危害。
If it is done properly it will never be harmful.
如果做得好，将永远是有害的。
In fact, in some cases it could even be harmful.
事实上，在个别案例中，它甚至是有害的。
In addition, ingesting too much zinc could be harmful.
而且锌摄入过多是有害的。
Adding too many or too few scoops can be harmful.
加入太多或太少的量都是有害的。
Adding too many or too few scoops can be harmful.
加入太多或太少旳量都是有害旳。
However, too much TV viewing can be harmful to the person.
然而，过度收看电视对人们是有害的。
You must not be harmful to computers and the Internet!
你绝不能损害计算机和上网！
This may be harmful to the shape of children's characters.
这对孩子的个性的形成都是有害的。
However, I think too much care can be harmful to children.
然而，我认为太多的关爱会对孩子不利。
Did you know cleaning your home can be harmful to your health?
你知道清理你的房间对你的健康有益？
But I kind of worry sometimes that too much soy can be harmful.
但有时候我担心吃太多豆制品会有害处。
But I kind of worry sometimes that too much soy can be harmful.
但有时候我担心吃太多豆制品会有害处。
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