You are given a sentence in Hebrew. Your job is to translate the Hebrew sentence into Portugese.

Let me give you an example: אחרי הכל, הם החליטו, והם עשו,
The answer to this example can be: Afinal de contas elas é que decidem, e decidiram mesmo.
Here is why: The Hebrew sentence is correctly translated into Portugese, because the meaning is preserved.

OK. solve this:
אבל, לאחר 100 שנות רובוטיקה, עדיין לא ראינו רובוט מהלך על שתיים, כי רובוטים אינם יכולים ללכת על שתיים מכיוון שזה לא כל-כך קל לעשות זאת.
Answer:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
De uma forma ou de outra, em cem anos de robótica, nunca viram um robô caminhar sobre duas pernas, porque os robôs não caminham sobre duas pernas porque não é algo assim tão fácil de se fazer.