INT. FIELD LAB — MORNING
内景 · 临时实验室 · 上午
Three circular marks appear on a screen beside a timeline with no labels.
屏幕上出现三个圆形符号，旁边是一条没有标注的时间线。
SCIENTIST
The second mark repeats whenever we enter the room.
每当我们进入房间，第二个符号都会重复出现。
LINGUIST
That is an observation. Calling it a greeting is still an assumption.
这是观察结果。把它称为问候仍然只是假设。
SCIENTIST
How do we test the difference?
我们怎么检验这两者的区别？
LINGUIST
Change one variable: enter without speaking and compare the response.
只改变一个变量：不说话地进入，再比较它的反应。
The word greeting disappears from the board and moves into a column marked hypothesis.
“问候”一词从白板上被擦掉，移到标有“假设”的一栏。
