The molecule is net neutral, but this right end is a little bit more negative and the leftend is a little bit more positive.
这分子是电中性的,但右边要带一点负电荷,而左边要带一点正电荷。
2
Today, a majority of software developers still take a code-only approach (leftend of the modeling spectrum, Figure 1) and do not use separately defined models at all.