In 2007, the tree refers to the things on the tree itself, such as fruits and flowers. In refers to things outside the tree, such as birds, bugs and monkeys staying in the tree. ?
If it is a fruit on a tree or a leaf with long flowers, it means something about the tree itself.
There are many apples on the tree! There are many apples on the apple tree.
If in is added from the outside, the bird just stays in the tree, not the tree itself, so in is used instead of on.
Example: singing in the trees the bird. Singing in the trees the bird.
? The difference between in and on
1, with different meanings:
In: prep。 In ...; In ... place; During the period of ... ...
Open: Ready. exist ...
2, the usage is different:
In is a process of focusing on a period of time and is often used to repeat or continue an action. In means the passage of time from now on.
After a period of time in the future, it is usually used with the future tense.
He is a layman in economics. He knows nothing about economics.